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term='natal'/><category term='luz visível'/><category term='radiação'/><category term='telescópio'/><category term='objectos transneptunianos'/><category term='neutrino'/><category term='Buda'/><category term='estrelas de rabo'/><category term='órbita'/><category term='pulsar'/><category term='navegação'/><category term='plantio'/><category term='supergigante'/><category term='galaktikos'/><category term='Antártida'/><category term='Constelação de Virgem mitologia'/><category term='lâmpada'/><category term='editora Papiro'/><category term='supernova'/><category term='poema ao deus sol'/><category term='poema cósmico'/><category term='paládio'/><category term='plutão'/><category term='pégaso'/><category term='telescópio.constelação de Hércules'/><category term='liberdade'/><category term='tzab'/><category term='bólide'/><title type='text'>ASTRONOMIA-ALGARVE</title><subtitle type='html'></subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default?max-results=100'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><link rel='next' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default?start-index=101&amp;max-results=100'/><author><name>Vieira Calado</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='29' height='32' src='http://lh4.google.com/jvieiracalado/RxfgcVfzOmI/AAAAAAAAATs/0bIkWKZvPHQ/v.%20c%202%20.JPG?imgmax=512'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>194</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>100</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-2402229800709028524</id><published>2012-01-25T21:03:00.000-08:00</published><updated>2012-01-26T09:35:34.705-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='estrelas semelhantes ao sol'/><category scheme='http://www.blogger.com/atom/ns#' term='Tau Ceti'/><category scheme='http://www.blogger.com/atom/ns#' term='epsilon eridanus'/><category scheme='http://www.blogger.com/atom/ns#' term='estrela próxima'/><category scheme='http://www.blogger.com/atom/ns#' term='vida extraterrestre'/><title type='text'>ESTRELAS PRÓXIMAS DO SOL</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;br /&gt;&lt;div style="margin-bottom: 0cm;" align="JUSTIFY"&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt;&lt;span style="color:#fff2cc;"&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;table class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;" cellpadding="0" cellspacing="0" align="center"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-dUFFfj5z4Q8/TemtgE_1SlI/AAAAAAAAC0s/luLBBUq1uGM/s1600/solar_neighbourhood.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img src="http://4.bp.blogspot.com/-dUFFfj5z4Q8/TemtgE_1SlI/AAAAAAAAC0s/luLBBUq1uGM/s400/solar_neighbourhood.jpg" height="340" border="0" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="color: #cc0000;"&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;click para aumentar - imagem google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div  style=" margin-bottom: 0cm;color:#cc0000;" align="JUSTIFY"&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt;A possibilidade de haver estrelas próximas com condições para terem desenvolvido vida superior, são escassas, por várias e muitas razões de ordem astronómica.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div  style=" margin-bottom: 0cm;color:#cc0000;" align="JUSTIFY"&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt;Uma das mais próximas do Sistema Solar é a Estrela de Barnard (uma anã vermelha, sem condições para albergar vida como a que temos por cá). A seguir vem o Sistema de Centauro, com três estrelas que gravitam entre si. Uma dessas estrelas é a Próxima, a que chega mais perto de nós. Uma outra é relativamente parecida com o Sol, mas o facto de gravitarem entre si, é muito limitativo, para a vida. Das que vêm depois, por ordem de distância, a mais interessante é a épsilon de &lt;i&gt;Eridanus&lt;/i&gt;, a 10,5 anos-luz, também semelhante ao Sol, embora muito mais jovem.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div  style=" margin-bottom: 0cm;color:#cc0000;" align="JUSTIFY"&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt;Mais longe, já a mais de 12 anos-luz, está a tau &lt;i&gt;Ceti&lt;/i&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div  style=" margin-bottom: 0cm;color:#cc0000;" align="JUSTIFY"&gt;&lt;div style="margin-bottom: 0cm;" align="JUSTIFY"&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt;Das que aparecem no diagrama, mercê da sua idade, talha e género, apenas a τ &lt;i&gt;Ceti&lt;/i&gt; (deficiente em metais, o que é uma forte limitação), e a ɛ&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt; de &lt;i&gt;Eridanus,&lt;/i&gt; são consideradas como eventualmente poderem ter planetas semelhantes aos planetas rochosos do Sistema Solar e, algum, semelhante à Terra, podendo albergar &lt;span style=" ;font-size:x-small;color:#b45f06;"  &gt;(clicar)&lt;/span&gt; &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;span style="font-size:x-small;"&gt;&lt;span style="color:red;"&gt;&lt;span&gt;&lt;span style="color:#004586;"&gt;&lt;span style="font-family:Times New Roman,serif;"&gt;&lt;span&gt;→&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size:medium;"&gt;&lt;b&gt;&lt;span style="font-family:Times New Roman,serif;"&gt; &lt;a href="http://vieira-caladoextraterrestres.blogspot.com/"&gt;vida superior e (tecnológica?)&lt;/a&gt;, agora, ou no futuro.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-2402229800709028524?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/2402229800709028524/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=2402229800709028524' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2402229800709028524'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2402229800709028524'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/06/estrelas-proximas-do-sol.html' title='ESTRELAS PRÓXIMAS DO SOL'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-dUFFfj5z4Q8/TemtgE_1SlI/AAAAAAAAC0s/luLBBUq1uGM/s72-c/solar_neighbourhood.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8335718895793906374</id><published>2012-01-07T18:57:00.000-08:00</published><updated>2012-01-11T14:55:55.825-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='barnard 213'/><category scheme='http://www.blogger.com/atom/ns#' term='anã-castanha'/><category scheme='http://www.blogger.com/atom/ns#' term='telescópio Spitzer'/><title type='text'>ANÃS-CASTANHAS</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/S2ZDP7uSb9I/AAAAAAAACC0/go2Zkx5Ctwo/s1600-h/AnaCastanha.jpg"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5433103941478019026" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/S2ZDP7uSb9I/AAAAAAAACC0/go2Zkx5Ctwo/s400/AnaCastanha.jpg" style="cursor: pointer; display: block; height: 317px; margin: 0px auto 10px; text-align: center; width: 300px;" /&gt;&lt;/a&gt;&lt;link href="file:///C:%5CDOCUME%7E1%5Cuser%5CDEFINI%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml" rel="File-List"&gt;&lt;/link&gt;&lt;o:smarttagtype name="metricconverter" namespaceuri="urn:schemas-microsoft-com:office:smarttags"&gt;&lt;/o:smarttagtype&gt;&lt;style&gt; &lt;!--  /* Style Definitions */  p.MsoNormal, li.MsoNormal, div.MsoNormal  {mso-style-parent:"";  margin:0cm;  margin-bottom:.0001pt;  mso-pagination:widow-orphan;  font-size:12.0pt;  font-family:"Times New Roman";  mso-fareast-font-family:"Times New Roman";} @page Section1  {size:419.6pt 21.0cm;  margin:1.0cm 10.2pt 46.2pt 35.45pt;  mso-header-margin:35.45pt;  mso-footer-margin:42.55pt;  mso-paper-source:0;} div.Section1  {page:Section1;} --&gt; &lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;O Universo está cheio de corpos muito estranhos!&lt;/div&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;Agora foram descobertas estrelas anãs castanhas. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;São estranhas porque, em termos de temperatura, ficam a meio caminho entre as estrelas propriamente ditas… e os planetas. Podem considerar-se “estrelas falhadas”.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;A sua massa varia entre 0,013 e 0,080 da massa solar, insuficiente, portanto, para desencadear a fusão nuclear, queimando hidrogénio, libertando grandes quantidades de energia e produzindo hélio. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;Só puderam ser detectadas com o telescópio Spitzer, que recorre aos infravermelhos. Agora, depois de já terem sido detectadas centenas delas, o Spitzer descobriu uma proto-anã, na nuvem escura denominada Barnard 213, na região entre a constelação do Touro e a do Cocheiro.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;&lt;span style="color: #ffffcc;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #333300; font-weight: bold; margin: 0cm 23.95pt 0.0001pt 15pt; text-align: justify;"&gt;&lt;span style="color: #6600cc; font-size: 78%;"&gt;Imagem Google&lt;/span&gt; &lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8335718895793906374?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8335718895793906374/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8335718895793906374' title='12 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8335718895793906374'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8335718895793906374'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/01/anas-castanhas.html' title='ANÃS-CASTANHAS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/S2ZDP7uSb9I/AAAAAAAACC0/go2Zkx5Ctwo/s72-c/AnaCastanha.jpg' height='72' width='72'/><thr:total>12</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8041987905207159550</id><published>2011-12-19T17:21:00.000-08:00</published><updated>2011-12-19T17:24:45.396-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='telescópio Webb'/><category scheme='http://www.blogger.com/atom/ns#' term='telescópio de infravermelhos'/><title type='text'>WEBB</title><content type='html'>&lt;span style="font-size: large;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;br /&gt;&lt;div class="MsoNoSpacing" style="color: #274e13; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;O telescópio espacial &lt;i&gt;Hubble&lt;/i&gt; tem realizado relevantes proezas, particularmente ao nível da grande nitidez com que nos mostra objectos muito distantes. Os telescópios terrestres não têm essa possibilidade, em virtude de captarem a luz desses corpos depois de atravessar a atmosfera (e por vezes poeiras). &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: #274e13; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Mas &lt;i&gt;o Hublle&lt;/i&gt; será substituído por outro, com maiores capacidades, em 2014: o &lt;i&gt;Webb&lt;/i&gt;. Será ele a procurar revelar-nos o que se passou no Universo, nos primeiros 500 milhões de anos, e a maneira como se formaram as primeiras estrelas e galáxias. &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="color: #274e13; font-size: large;"&gt;&lt;b&gt;  &lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;É que foi fotografada, na banda dos infravermelhos, a primeira galáxia que se conhece, formada por essa altura: 480 milhões de anos, depois do &lt;i&gt;Big Bang&lt;/i&gt;, ou seja há pouco menos de 13.700 milhões de anos, quando se pensa que se iniciou o Universo que conhecemos.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8041987905207159550?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8041987905207159550/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8041987905207159550' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8041987905207159550'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8041987905207159550'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/12/webb.html' title='WEBB'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5830010094172369727</id><published>2011-11-24T18:13:00.000-08:00</published><updated>2011-11-24T18:42:01.883-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='pré-socráticos'/><category scheme='http://www.blogger.com/atom/ns#' term='Escola Jónica'/><category scheme='http://www.blogger.com/atom/ns#' term='o vácuo'/><category scheme='http://www.blogger.com/atom/ns#' term='Teoria da Evolução das Espécies'/><category scheme='http://www.blogger.com/atom/ns#' term='Anaximandro'/><category scheme='http://www.blogger.com/atom/ns#' term='Tales de Mileto'/><title type='text'>ANAXIMANDRO</title><content type='html'>&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;div align="LEFT" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;/div&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt; &lt;br /&gt;&lt;div align="JUSTIFY" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt; &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-EyjVv1HowfM/Ts76_0nMXXI/AAAAAAAADDY/vUqMv7TJRWc/s1600/anaximandro++1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" src="http://3.bp.blogspot.com/-EyjVv1HowfM/Ts76_0nMXXI/AAAAAAAADDY/vUqMv7TJRWc/s1600/anaximandro++1.jpg" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;br /&gt;&lt;span style="font-size: xx-small;"&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d; font-family: &amp;quot;Trebuchet MS&amp;quot;,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;b&gt;&lt;span style="font-size: small;"&gt;Anaximandr&lt;/span&gt;&lt;span style="font-size: small;"&gt;o (&lt;/span&gt;&lt;span style="font-size: small;"&gt;&lt;span style="text-decoration: none;"&gt;610-547 a. C.) foi discípu&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: small;"&gt;lo de Tales de Mileto e é um dos sábios gregos da Escola Jónica. É um dos chamados pré-socráticos. Dedicou-se a várias disciplinas, como era hábito desses filósofos, sendo uma delas a Astronomia. Foi ele o primeiro a medir distâncias entre estrelas e a calcular a sua magnitude! &lt;/span&gt;&lt;/b&gt; &lt;/div&gt;&lt;div style="color: #20124d; font-family: &amp;quot;Trebuchet MS&amp;quot;,sans-serif;"&gt;&lt;b&gt;&lt;span style="font-size: small;"&gt; &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d; font-family: &amp;quot;Trebuchet MS&amp;quot;,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;b&gt;&lt;span style="font-size: small;"&gt;Mas, sem meios técnicos e sem instrumentos apropriados de medida, os homens desse tempo tinham apenas à sua disposição a cuidada observação e a reflexão. Não será, portanto, de admirar que Anaximandro julgasse que a Terra tinha a forma dum cilindro. Mas considerava que os peixes se tivessem formado no lodo, imigrado depois para terra firme, dando os animais terrestres (que, de todas as maneiras, é um princípio da Teoria da Evolução das Espécies).&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d; font-family: &amp;quot;Trebuchet MS&amp;quot;,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;b&gt;&lt;span style="font-size: small;"&gt;E é espantoso que  considerasse que a Terra se sustenta em duas forças contrárias, e que esta ideia dos opostos não ande longe da moderna teoria do vácuo que produz partículas de matéria  e de anti-matéria, como no &lt;i&gt;Big Bang&lt;/i&gt;. &lt;/span&gt;&lt;/b&gt; &lt;/div&gt;&lt;div align="JUSTIFY" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-5830010094172369727?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/5830010094172369727/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=5830010094172369727' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5830010094172369727'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5830010094172369727'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/11/anaximandro.html' title='ANAXIMANDRO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/-EyjVv1HowfM/Ts76_0nMXXI/AAAAAAAADDY/vUqMv7TJRWc/s72-c/anaximandro++1.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-829547464202930443</id><published>2011-11-13T14:04:00.000-08:00</published><updated>2011-11-13T14:04:09.484-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='poeiras em nebulosas'/><category scheme='http://www.blogger.com/atom/ns#' term='oxigénio'/><title type='text'>DUAS NEBULOSAS EM SAGITÁRIO</title><content type='html'>&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0cm; text-align:justify; text-indent:14.2pt; line-height:12.0pt; mso-line-height-rule:exactly; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}&lt;/style&gt; &lt;![endif]--&gt;  &lt;br /&gt;&lt;div class="MsoNoSpacing" style="color: #fff2cc; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&amp;nbsp; -&lt;/span&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&amp;nbsp; &lt;/span&gt;&lt;a href="http://4.bp.blogspot.com/-L_LeS08dKGE/TsA-In2Te0I/AAAAAAAADCE/kU_cgBv9nOE/s1600/ngc_6589_6590.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="300" src="http://4.bp.blogspot.com/-L_LeS08dKGE/TsA-In2Te0I/AAAAAAAADCE/kU_cgBv9nOE/s400/ngc_6589_6590.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: #fff2cc; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&amp;nbsp;.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: #134f5c; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;As cores que nós vemos nesta imagem, são processadas. Mas estão lá.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;b&gt;&lt;span style="color: #134f5c;"&gt;  &lt;/span&gt;&lt;/b&gt;&lt;div class="MsoNoSpacing" style="color: #134f5c; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12.0pt;"&gt;Nestas duas nebulosas da constelação de Sagitário, denominadas NGC 6589 e NGC 6590, o avermelhado é dado pelo oxigénio aí existente. Mas também as poeiras, uma vez suficientemente iluminadas por estrelas próximas, podem dar-nos o azul, ou suas &lt;i style="mso-bidi-font-style: normal;"&gt;nuances.&lt;/i&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: #fff2cc; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12.0pt;"&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: #783f04; text-indent: 0cm;"&gt;&lt;span style="font-size: xx-small;"&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Créditos: Astro Vision&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-829547464202930443?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/829547464202930443/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=829547464202930443' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/829547464202930443'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/829547464202930443'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/11/duas-nebulosas-em-sagitario.html' title='DUAS NEBULOSAS EM SAGITÁRIO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-L_LeS08dKGE/TsA-In2Te0I/AAAAAAAADCE/kU_cgBv9nOE/s72-c/ngc_6589_6590.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3669424086864025458</id><published>2011-11-10T08:34:00.000-08:00</published><updated>2011-11-10T08:34:31.263-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='cúmulo aberto'/><category scheme='http://www.blogger.com/atom/ns#' term='cefeida'/><category scheme='http://www.blogger.com/atom/ns#' term='M 25'/><category scheme='http://www.blogger.com/atom/ns#' term='estrela variável'/><title type='text'>CÚMULO ABERTO, EM SAGITÁRIO</title><content type='html'>&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-mAaD-9OwGQc/Trv4_rKFcAI/AAAAAAAADBg/dys_xHHde68/s1600/M+25+c%25C3%25BAmulo+aberto+em+Sagit%25C3%25A1rrio+1.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="272" src="http://4.bp.blogspot.com/-mAaD-9OwGQc/Trv4_rKFcAI/AAAAAAAADBg/dys_xHHde68/s400/M+25+c%25C3%25BAmulo+aberto+em+Sagit%25C3%25A1rrio+1.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;M 25&lt;/td&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;br /&gt;&lt;/td&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;br /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div style="color: #660000; text-align: justify;"&gt;&lt;b&gt;O M 25 (do catálogo de Messier), ou IC4725, é um aglomerado aberto descoberto por Philippe Loys de  Chéseux, em 1745. Deverá ter uns 100  milhões de anos, de idade, e encontra-se a 2000 anos-luz. Tem apenas cerca de 80 estrelas. Uma cefeida - estrela variável em brilho -, a &lt;i&gt;U Sagittari&lt;a href="http://pt.wikipedia.org/wiki/Estrela_vari%C3%A1vel" title="Estrela variável"&gt;&lt;/a&gt; &lt;/i&gt;é um dos objectos mais interessante do conjunto. &lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-3669424086864025458?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/3669424086864025458/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=3669424086864025458' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3669424086864025458'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3669424086864025458'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/11/cumulo-aberto-em-sagitario.html' title='CÚMULO ABERTO, EM SAGITÁRIO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-mAaD-9OwGQc/Trv4_rKFcAI/AAAAAAAADBg/dys_xHHde68/s72-c/M+25+c%25C3%25BAmulo+aberto+em+Sagit%25C3%25A1rrio+1.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4654368757319438653</id><published>2011-11-06T17:09:00.000-08:00</published><updated>2011-11-11T16:39:01.817-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='M 22'/><category scheme='http://www.blogger.com/atom/ns#' term='cúmulo globolar e Sagitário'/><title type='text'>Cúmulo globular em Sagitário</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://1.bp.blogspot.com/-5_AkdC16dVk/TrctR7Tph_I/AAAAAAAADBA/FgFIKXjjmBs/s1600/C%25C3%25BAmulo+Globular+M22.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="296" src="http://1.bp.blogspot.com/-5_AkdC16dVk/TrctR7Tph_I/AAAAAAAADBA/FgFIKXjjmBs/s400/C%25C3%25BAmulo+Globular+M22.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;span style="color: #351c75;"&gt;M 22&lt;/span&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;span style="color: #351c75;"&gt;&lt;b&gt;O M 22 tem umas 70 mil estrelas e está a mais de 10 mil anos-luz de nós!&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4654368757319438653?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4654368757319438653/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4654368757319438653' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4654368757319438653'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4654368757319438653'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/11/cumulo-globolar-em-sagitario.html' title='Cúmulo globular em Sagitário'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/-5_AkdC16dVk/TrctR7Tph_I/AAAAAAAADBA/FgFIKXjjmBs/s72-c/C%25C3%25BAmulo+Globular+M22.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7877136701061964269</id><published>2011-10-31T18:18:00.000-07:00</published><updated>2011-10-31T18:52:24.393-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Trifid nebula'/><category scheme='http://www.blogger.com/atom/ns#' term='M 20  do catálogo de Messier'/><title type='text'>Trifid nebula</title><content type='html'>&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-osdHwgn_zNU/Tq9IjksF8XI/AAAAAAAAC_w/1OI5y8bKVfs/s1600/nebulosa-trifid-.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="310" src="http://4.bp.blogspot.com/-osdHwgn_zNU/Tq9IjksF8XI/AAAAAAAAC_w/1OI5y8bKVfs/s400/nebulosa-trifid-.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;Nebulosa Trifid, em Sagitário&lt;br /&gt;&lt;b&gt;&lt;span style="color: #4c1130;"&gt;A nebulosa, catalogada como M 20, por Messier, encontra-se a mais de 5000 anos luz, de nós!&lt;/span&gt;&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7877136701061964269?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7877136701061964269/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7877136701061964269' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7877136701061964269'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7877136701061964269'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/10/trifid-nebula.html' title='Trifid nebula'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-osdHwgn_zNU/Tq9IjksF8XI/AAAAAAAAC_w/1OI5y8bKVfs/s72-c/nebulosa-trifid-.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1391473088302044840</id><published>2011-10-20T19:47:00.000-07:00</published><updated>2011-10-21T09:17:13.119-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='sagitário constelação'/><category scheme='http://www.blogger.com/atom/ns#' term='sagitário A buraco negro'/><category scheme='http://www.blogger.com/atom/ns#' term='nebulosa da ferradura'/><category scheme='http://www.blogger.com/atom/ns#' term='trfide'/><title type='text'>A CONSTELAÇÃO DE SAGITÁRIO</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/-Bt9IHgbO4FY/TqDcm8jZ2BI/AAAAAAAAC_Q/iXF4J7SrUG4/s1600/sagitario1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="332" src="http://2.bp.blogspot.com/-Bt9IHgbO4FY/TqDcm8jZ2BI/AAAAAAAAC_Q/iXF4J7SrUG4/s400/sagitario1.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;span style="color: #7e0021;"&gt;&lt;span style="font-size: medium;"&gt;A constelação de Sagitário é muito importante para a Astronomia porque ela se projecta no centro da Via Láctea. Aí há uma fortíssima aglomeração de estrelas, mas nós não a podemos ver à vista desarmada. As poeiras entre nós e ela, absorvem muita da radiação. Mas é possível, com meios apropriados, observá-la noutros comprimentos de onda, que não a da luz visível. &lt;span style="font-family: Times New Roman,serif;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #7e0021; font-size: large;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;A constelação é rica em aglomerados de estrelas e nebulosas. Destas, as mais importantes são a &lt;/span&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;M8 (Nebulosa do Lago),  M17 (Nebulosa da Ferradura) e a M20 (Nebulosa Trífida).  Quanto aos aglomerados de estrelas (ou cúmulos)  há a destacar o M22, que dista cerca de 10.400 anos luz, e é um dos mais próximos de nós.  Deve ter umas 70.000 estrelas espalhadas por uma região de mais de 200 anos-luz de diâmetro. Já no mais modesto M23 foram apenas contadas 129 estrelas. O distante M25 é um aglomerado aberto de estrelas e encontra-se a  aproximadamente 2.000 anos-luz. Terá pouco mais do que 80 estrelas.&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #7e0021; font-size: large;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;Mas o mais impressionante e importante dessa região do céu é um objecto denominado “Sagitário A”, provavelmente um gigantesco buraco negro no centro da nossa galáxia!&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1391473088302044840?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1391473088302044840/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1391473088302044840' title='3 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1391473088302044840'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1391473088302044840'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/10/constelacao-de-sagitario.html' title='A CONSTELAÇÃO DE SAGITÁRIO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/-Bt9IHgbO4FY/TqDcm8jZ2BI/AAAAAAAAC_Q/iXF4J7SrUG4/s72-c/sagitario1.jpg' height='72' width='72'/><thr:total>3</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4124189589425230255</id><published>2011-10-11T14:14:00.000-07:00</published><updated>2011-10-14T19:36:45.490-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hiparco'/><category scheme='http://www.blogger.com/atom/ns#' term='medir o tempo'/><category scheme='http://www.blogger.com/atom/ns#' term='stephen hawking'/><category scheme='http://www.blogger.com/atom/ns#' term='parasang'/><title type='text'>MEDIR O TEMPO</title><content type='html'>&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;b&gt;Embora o grande físico e cosmologista inglês Stephen William Hawking, mostre matematicamente que o tempo "é uma abstracção" a verdade é que, para a nossa vida diária foi necessário inventar uma qualquer maneira de medi-lo.  &lt;/b&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;b&gt;Desde muito cedo, os antigos preocuparam-se em medir o tempo. Não só no que dizia respeito às modificações que iam constatando acontecer durante o ano, como também ao que viam acontecer com o correr do dia. Desde que a agricultura passou a fazer parte integrante das suas vidas, e em face das diferentes condições climatéricas que se iam processando ao longo do anos, tornou-se necessário saber as épocas mais favoráveis para fazer as plantações e as colheitas. Os primeiros calendários tinham essa finalidade.  &lt;/b&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;b&gt;Mas hoje vamo-nos ocupar apenas do facto quase bizarro de, ainda hoje, o dia e a hora não se enquadrarem no sistema decimal.  &lt;/b&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;b&gt;Se dividimos a hora em sessenta minutos e o minuto em sessenta segundos, é apenas porque na importante cidade que era Babilónia era praticado o sistema sexagesimal. O número sessenta permite múltiplas divisões. Os babilónios dividiam o dia em 24 «parasangs», equivalentes a 720 estádios, uma medida de comprimento, da época, sendo que um estádio equivale a 7.420 metros. E isto, porque pensavam eles, um caminhante lesto era capaz de percorrer essa distância no vinte quatro avos do percurso diário do Sol!&lt;/b&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;b&gt;Deve-se a Hiparco, um grego que viveu no século II a.C., a introdução do sistema, na Grécia e depois  no resto da Europa.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4124189589425230255?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4124189589425230255/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4124189589425230255' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4124189589425230255'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4124189589425230255'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/10/medir-o-tempo.html' title='MEDIR O TEMPO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-2740477707862510064</id><published>2011-09-30T16:20:00.000-07:00</published><updated>2011-10-04T09:50:28.385-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Nova Cygni 1992'/><category scheme='http://www.blogger.com/atom/ns#' term='constelação Serpente'/><category scheme='http://www.blogger.com/atom/ns#' term='colapso energético de estrela'/><title type='text'>Supernova Nova Cygni 1992</title><content type='html'>&lt;div align="JUSTIFY" style="color: red; line-height: 100%; margin-bottom: 0cm;"&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: red; line-height: 100%; margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: red; line-height: 100%; margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-vrpJbQR7P5g/ToZOMiDefSI/AAAAAAAAC-E/vptelTAaV5k/s1600/Nova+Cygni+1992.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" src="http://3.bp.blogspot.com/-vrpJbQR7P5g/ToZOMiDefSI/AAAAAAAAC-E/vptelTAaV5k/s1600/Nova+Cygni+1992.jpg" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: red; line-height: 100%; margin-bottom: 0cm;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&amp;nbsp;&lt;span style="color: #fff2cc;"&gt;,&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: red; font-family: Verdana,sans-serif; line-height: 100%; margin-bottom: 0cm;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;O fenómeno super-nova é bem raro.  Isso acontece quando uma estrela de grande porte entra em colapso energético.  Na nossa galáxia têm acontecido umas poucas, registadas desde 1300 a. C. Porém, as que melhor ficaram conhecidas foram a que foi observada pelos chineses e por índios americanos em 1054, e que deu&amp;nbsp; origem à nebulosa dita do Caranguejo; a que o famoso astrónomo Tycho Brahe viu, na constelação da Cassiopeia, em 1572; outra, observada por Johannes Kepler, na constelação da Serpente, em 1604, e algumas mais recentes, vistas só através dos telescópios.  De destacar a que aconteceu na Grande Nuvem de Magalhães (uma pequena galáxia, satélite da Via Láctea), em 1987, e que foi vista à vista desarmada.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: red; font-family: Verdana,sans-serif; line-height: 100%; margin-bottom: 0cm;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;Na imagem vemos a Nova Cygni 1992, na constelação do mesmo nome, fotografada pelo Hubble, e que se encontra a mais de 10 mil anos-luz, de nós. Com algum tempo de intervalo, pode constatar-se o anel resultante da explosão que, aliás, continuará a expandir-se de durante milhares de anos.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="line-height: 100%; margin-bottom: 0cm;"&gt;&lt;div style="color: #fff2cc;"&gt;.&lt;/div&gt;Veja também a nova postagem em Extraterrestres - aqui &lt;a href="http://vieira-caladoextraterrestres.blogspot.com/2011/10/febre-do-ouro.html"&gt;&lt;b&gt;&lt;span style="color: red;"&gt;A FEBRE DO OURO (2)&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;i&gt;&lt;u&gt; &lt;/u&gt;&lt;/i&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-2740477707862510064?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/2740477707862510064/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=2740477707862510064' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2740477707862510064'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2740477707862510064'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/09/supernova-nova-cygni-1992.html' title='Supernova Nova Cygni 1992'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/-vrpJbQR7P5g/ToZOMiDefSI/AAAAAAAAC-E/vptelTAaV5k/s72-c/Nova+Cygni+1992.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1228020959000944551</id><published>2011-09-25T12:08:00.000-07:00</published><updated>2011-10-21T09:15:33.165-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Shamash'/><category scheme='http://www.blogger.com/atom/ns#' term='ahura-mazda'/><category scheme='http://www.blogger.com/atom/ns#' term='Yucatan'/><category scheme='http://www.blogger.com/atom/ns#' term='sete-estrelo'/><category scheme='http://www.blogger.com/atom/ns#' term='a febre do ouro'/><category scheme='http://www.blogger.com/atom/ns#' term='aztecas'/><category scheme='http://www.blogger.com/atom/ns#' term='tzab'/><category scheme='http://www.blogger.com/atom/ns#' term='Amaterasu'/><category scheme='http://www.blogger.com/atom/ns#' term='pitágoras'/><title type='text'>A FEBRE DO OURO</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-4tSpOA8Q1bM/Tn960NIvFXI/AAAAAAAAC9o/GYKSQtQO2tk/s1600/febre+net.++capa.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="640" src="http://4.bp.blogspot.com/-4tSpOA8Q1bM/Tn960NIvFXI/AAAAAAAAC9o/GYKSQtQO2tk/s640/febre+net.++capa.jpg" width="420" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: center;"&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;&lt;span style="color: #fff2cc;"&gt;- &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: center;"&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;&lt;b&gt;&lt;span style="font-size: small;"&gt;&amp;nbsp;Do meu recente livro de ficção extraterrestre&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;(...) Por esse tempo, na Terra, construíam-se os primitivos observatórios providos de óculos capazes de ver para além do que é possível ver de humana vista. Galileu desvelara os primeiros segredos de Júpiter e seus satélites. Inspirado em Platão e Pitágoras, o matemático Kepler deduzira que Deus era um confrade, um geómetra!, e Tycho Brahé, de tanto olhar, compreendeu ser o Espaço mais fundo que a lonjura do pensamento humano e do seu sonho. As estrelas e as constelações, o &lt;i style="mso-bidi-font-style: normal;"&gt;Sete-Estrelo&lt;/i&gt;, a que os maias chamavam &lt;i style="mso-bidi-font-style: normal;"&gt;Tzab&lt;/i&gt; (a &lt;i style="mso-bidi-font-style: normal;"&gt;cobra-de-assobio&lt;/i&gt;), Perseu e Hércules, &lt;i style="mso-bidi-font-style: normal;"&gt;Aldebaran&lt;/i&gt;, o &lt;i style="mso-bidi-font-style: normal;"&gt;olho do toiro&lt;/i&gt; dos árabes, e até planetas, como a bela, lasciva Vénus dos latinos, tomada por um deus-mau... no Yucatan, ou o sombrio Saturno – só para citar uns poucos da ninhada – iam perdendo o lustro de criaturas divinas que se entretinham, no seu devaneio ou solidão, a lançar deleites ou maldições, sobre a Terra. &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;b&gt;  &lt;/b&gt;&lt;br /&gt;&lt;div class="MsoNormal" style="mso-line-height-alt: 5.0pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;O homem cansava-se da destemperança dos deuses, do seu fútil jogo de marionetas. E, de tudo o mais, quanto se podia ver e perceber, e de todo o entendimento do que era para ser entendido, o nosso Sol igualmente se reduzia à condição de mera bola de fogo, como o velho sábio jónico antevira, um milhar de anos antes (o que, aliás, lhe valeu ter sido desterrado, pelos insaciáveis senhores do trono!)&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="mso-line-height-alt: 5.0pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;E assim, todos estes sóis regionais – estes deuses de fogo que ardem em cinzas a nossa passagem breve –, o querido e formosíssimo &lt;i style="mso-bidi-font-style: normal;"&gt;Ahura-Mazda&lt;/i&gt; das minhas raízes indo-europeias, o &lt;i style="mso-bidi-font-style: normal;"&gt;Kinich-Ahau&lt;/i&gt;, dos maias, o sumério &lt;i style="mso-bidi-font-style: normal;"&gt;Shamash, &lt;/i&gt;cujos seguidores o julgavam dormir nas profundezas do Norte, esse esplendoroso e esbelto &lt;i style="mso-bidi-font-style: normal;"&gt;Amaterasu&lt;/i&gt;, brilhando em céus de púrpura e jade, a Oriente, ou o deus dos aztecas – este, um disco redondo, em oiro maciço... de uma braça de diâmetro! –, tinham, finalmente, sido relegados para os domínios do mito.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="mso-line-height-alt: 5.0pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;Inexoravelmente.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="mso-line-height-alt: 5.0pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;Mas estava-se ainda longe de pensar em viajar para as estrelas.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;&lt;span style="color: #fff2cc;"&gt;, &lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;span style="font-size: x-small;"&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;pág 10 &lt;/span&gt;&lt;/span&gt;&lt;b&gt;&lt;span style="color: windowtext; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 10pt;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1228020959000944551?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1228020959000944551/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1228020959000944551' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1228020959000944551'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1228020959000944551'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/09/febre-do-ouro.html' title='A FEBRE DO OURO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-4tSpOA8Q1bM/Tn960NIvFXI/AAAAAAAAC9o/GYKSQtQO2tk/s72-c/febre+net.++capa.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4390663044323744277</id><published>2011-09-20T08:55:00.000-07:00</published><updated>2011-09-20T08:59:04.732-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='planeta vermelho'/><category scheme='http://www.blogger.com/atom/ns#' term='Antares'/><category scheme='http://www.blogger.com/atom/ns#' term='Anti-Ares'/><category scheme='http://www.blogger.com/atom/ns#' term='supergigante vermelha'/><category scheme='http://www.blogger.com/atom/ns#' term='projecção celeste'/><category scheme='http://www.blogger.com/atom/ns#' term='Tipo espectral de estrelas'/><title type='text'>SUPERGIGANTE VERMELHA</title><content type='html'>&lt;div style="color: #20124d; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Antares é uma estrela de colossais dimensões, que  se pode ver a meio de Escorpião. Como é a mais brilhante da constelação,  é-lhe atribuída a letra grega alfa.&lt;br /&gt;Sendo uma supergigante vermelha, tem no entanto, associada a ela, uma  outra estrela, umas quatro ou cinco vezes maior que o Sol, gravitando  muito longe, a mais de 500 vezes a distância Sol/Plutão! De referir que Plutão fica umas 49 vezes mais longe do nós, do que o Sol.&lt;br /&gt;É uma das mais brilhantes do céu e já era bem conhecida na Antiguidade, por egípcios, árabes e persas.&lt;br /&gt;O seu brilho é 10.000 vezes o do Sol, encontrando-se à distância já  respeitável de 600 anos-luz. Deve o seu nome (anti-Ares) ao facto de ser  vermelha (como Marte, o planeta vermelho - o Ares dos gregos),  rivalizando-o em cor e tonalidade. Na verdade, a aproximadamente cada  uns vinte cinco anos, Marte parece chegar às imediações de Antares, na  projecção celeste.&lt;br /&gt;Se por hipótese, Antares estivesse onde está o Sol, então, Mercúrio,  Vénus, a Terra e Marte teriam sido engolidos, pois a estrela  estender-se-ia até à cintura de asteróides que gravita entre Marte e o  Júpiter.&lt;br /&gt;Para finalizar este pequeno apontamento, diremos que a superfície da  estrela é menos quente que a do Sol, pouco mais de 3. 000º, estando  classificada no tipo espectral M, e está a atingir o fim da sua evolução.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4390663044323744277?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4390663044323744277/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4390663044323744277' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4390663044323744277'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4390663044323744277'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/09/supergigante-vermelha.html' title='SUPERGIGANTE VERMELHA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-2103310271998551985</id><published>2011-09-14T19:17:00.000-07:00</published><updated>2011-09-14T19:17:13.260-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Mar da Tranquilidade'/><category scheme='http://www.blogger.com/atom/ns#' term='Cabo Canaveral'/><category scheme='http://www.blogger.com/atom/ns#' term='perímetro da Terra'/><category scheme='http://www.blogger.com/atom/ns#' term='medições astronómicas'/><category scheme='http://www.blogger.com/atom/ns#' term='Terra plana'/><title type='text'>MEDIÇÕES ASTRONÓMICAS</title><content type='html'>&lt;div align="justify"&gt;&lt;div style="color: red;"&gt;&lt;span style="font-size: 130%;"&gt;A  nossa vida diária impõe a necessidade da utilização de vários sistemas  de medidas. Os instrumentos ou os aparelhos que utilizamos (balanças,  fitas métricas, relógios, entre outros) podem considerar-se inexactos,  mas são os exactamente adequados a essas funções.&lt;br /&gt;No entanto, quando o Homem pretende estudar aprofundadamente certos  aspectos das ciências, quer seja a física tradicional e a física  atómica, a química ou a astronomia, são necessários instrumentos de  medida de grande sensibilidade e precisão.&lt;br /&gt;Assim, a nave que transportou Aldrin e Armstrong (os primeiros homens a  desembarcar na Lua), viajando a uma velocidade bem determinada, tinha de  estar completamente segura de que ia aterrar num sítio exacto do mar da  Tranquilidade, e isso só era possível desde que se conhecesse, de  antemão, entre muitas outras coisas, a distância certa, entre o Cabo  Canaveral e a Lua.&lt;br /&gt;Calcular as distâncias que nos separam de diferentes corpos celestes, parece muito difícil. Mas não é.&lt;br /&gt;Assim como não é difícil, ao homem comum, desconhecedor das matemáticas e  da trigonometria, saber por exemplo, a altura exacta duma árvore bem  alta, sem necessidade de subir ao seu topo, mesmo se estiver muito longe  dela! Basta usar um pauzinho. Com um olho fechado e de braço esticado,  faz-se coincidir a imagem do pauzinho, com a da árvore. Uma rotação, até  à horizontal, permite ver aonde recai a outra extremidade. O tamanho da  árvore é igual à projecção horizontal do pauzinho, no chão! Depois, é  só medir.&lt;br /&gt;A primeira das medições que se pode considerar astronómica, foi  realizada por um grego antigo, chamado Eratóstenes, director da famosa  Biblioteca de Alexandria. Ele realizou a proeza impressionante de  calcular o perímetro da Terra, há mais de dois mil anos!&lt;/span&gt;&lt;/div&gt;&lt;span style="font-size: 130%;"&gt;&lt;span style="color: #666666;"&gt;&lt;span style="color: red;"&gt;E isso, num tempo em todas as civilizações pensavam que a Terra era plana...&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-2103310271998551985?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/2103310271998551985/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=2103310271998551985' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2103310271998551985'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2103310271998551985'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/09/medicoes-astronomicas.html' title='MEDIÇÕES ASTRONÓMICAS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7107430687389767614</id><published>2011-09-06T22:30:00.000-07:00</published><updated>2011-09-08T17:30:38.229-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='asteróide'/><category scheme='http://www.blogger.com/atom/ns#' term='material cósmico'/><category scheme='http://www.blogger.com/atom/ns#' term='Baringer'/><category scheme='http://www.blogger.com/atom/ns#' term='rocha'/><category scheme='http://www.blogger.com/atom/ns#' term='Arizona'/><category scheme='http://www.blogger.com/atom/ns#' term='meteorito'/><title type='text'>OS GRANDES IMPACTOS</title><content type='html'>&lt;div align="center"&gt;&lt;span style="font-size: 130%;"&gt;A GRANDE CRATERA DO ARIZONA&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;a href="http://4.bp.blogspot.com/_gwiQZ4uXrnI/RvLmnaB6KdI/AAAAAAAAAW4/D2jxjcGDWP8/s1600-h/barringer.jpg"&gt;&lt;img alt="" border="0" height="258" id="BLOGGER_PHOTO_ID_5112402091695548882" src="http://4.bp.blogspot.com/_gwiQZ4uXrnI/RvLmnaB6KdI/AAAAAAAAAW4/D2jxjcGDWP8/s400/barringer.jpg" style="display: block; height: 308px; margin: 0px auto 10px; text-align: center; width: 464px;" width="411" /&gt;&lt;/a&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Todos os dias, a Terra é autenticamente bombardeada por um sem número de fragmentos de rocha vindos do Espaço. Calcula-se que umas mil toneladas desse material cósmico chegue diariamente ao nosso planeta. São conhecidos por meteoritos. Esses meteoritos têm diversas dimensões; vão desde grãos de poeira até outros que pesam vários quilos, ou até muitas toneladas. Pode dizer-se que a sua frequência está directamente relacionada com as suas dimensões. Nestas condições, os mais pequenos são os mais frequentes, sendo cada vez mais raros os de maior porte.&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Assim sendo, o volume do meteorito (também há quem o considere um asteróide) que deu origem à cratera da gravura, já é bastante raro. Felizmente, para nós.&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;A cratera do Arizona, também conhecida por cratera de Baringer, é um enorme buraco causado por um grande meteorito que aí caiu há 50 mil anos. Tem cerca de 200 metros de profundidade e um diâmetro que ronda os 1. 500. Deveria pesar 300.000 toneladas, tendo um diâmetro duns 40 metros. A velocidade do impacto e a consequente temperatura desenvolvida, derreteu parte da rocha.&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Hoje em dia, o local é um ponto turístico, visitado por muitos curiosos e estudado pelos cientistas, pois, cerca de metade do objecto permaneceu intacto. A sua entrada intempestiva, nas altas camadas da atmosfera, a uma velocidade de mais de dez quilómetros por segundo, fê-lo aquecer drasticamente, fragmentando-o em bocados que depois se espalharam pelo deserto, numa nuvem de fragmentos de material ferroso, um dos seus principais constituintes.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7107430687389767614?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7107430687389767614/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7107430687389767614' title='5 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7107430687389767614'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7107430687389767614'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2007/09/os-grandes-impactos.html' title='OS GRANDES IMPACTOS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_gwiQZ4uXrnI/RvLmnaB6KdI/AAAAAAAAAW4/D2jxjcGDWP8/s72-c/barringer.jpg' height='72' width='72'/><thr:total>5</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-597389731745740322</id><published>2011-08-30T08:58:00.000-07:00</published><updated>2011-08-31T19:30:29.825-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='M 17'/><category scheme='http://www.blogger.com/atom/ns#' term='cúmulo de estrelas fechado'/><category scheme='http://www.blogger.com/atom/ns#' term='Sagitário'/><title type='text'>M 71</title><content type='html'>&lt;div class="MsoNormal" style="color: #0b5394; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;O enxame de estrelas M 71 ( Messier 71, ou NGC 6838) foi descoberto por Philippe Loys Chéseuax, no ano já distante de 1780, na constelação de Sagitário.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #0b5394; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Trata-se dum cúmulo de estrelas, fechado, relativamente jovem, a 12.000 anos-luz, de nós.&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #0b5394; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;A distância máxima entre as estrelas que o compõem, é de 27 anos-luz.&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-qelOwN0Y39M/Tl0IJz5pCJI/AAAAAAAAC7g/fTzNpMa_jv0/s1600/Messier_71_Hubble.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="320" src="http://4.bp.blogspot.com/-qelOwN0Y39M/Tl0IJz5pCJI/AAAAAAAAC7g/fTzNpMa_jv0/s320/Messier_71_Hubble.jpg" width="320" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;créditos: NASA e ESA&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="MsoNormal" style="color: #0b5394; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Não é visível à vista desarmada, embora a sua luminosidade global seja equivalente a mais de 13.000 sóis!&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-597389731745740322?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/597389731745740322/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=597389731745740322' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/597389731745740322'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/597389731745740322'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/08/m-71.html' title='M 71'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-qelOwN0Y39M/Tl0IJz5pCJI/AAAAAAAAC7g/fTzNpMa_jv0/s72-c/Messier_71_Hubble.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1893223184816222580</id><published>2011-08-24T18:41:00.000-07:00</published><updated>2011-08-29T08:46:48.984-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Algarve Ontem'/><category scheme='http://www.blogger.com/atom/ns#' term='nave espacial'/><category scheme='http://www.blogger.com/atom/ns#' term='aterragem'/><category scheme='http://www.blogger.com/atom/ns#' term='palos do Concelho de Lagos'/><title type='text'>A FEBRE DO OURO</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-0_SIVaEears/TlWmmsycIcI/AAAAAAAAC6w/y4ZiEHw3eIU/s1600/febre+net..jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="200" src="http://3.bp.blogspot.com/-0_SIVaEears/TlWmmsycIcI/AAAAAAAAC6w/y4ZiEHw3eIU/s200/febre+net..jpg" width="131" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: red; font-family: Verdana,sans-serif; margin: 0cm 21.25pt 0.0001pt 21.3pt; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Aproxima-se velozmente da Terra uma nave espacial comandada pelos computadores &lt;i&gt;sapiens &lt;/i&gt;&lt;i&gt;α&lt;/i&gt; e &lt;i&gt;sapiens &lt;/i&gt;&lt;i&gt;β&lt;/i&gt;, trazendo a bordo o autor de &lt;i&gt;“A Febre do Ouro&lt;/i&gt;”. &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: red; font-family: Verdana,sans-serif; margin: 0cm 21.25pt 0.0001pt 21.3pt; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;A aterragem está prevista para as 21 e 30 do próximo sábado, junto aos antigos Paços do Concelho de Lagos, na Feira do Livro, onde o autor apresentará essa sua última obra.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; font-family: Verdana,sans-serif; margin: 0cm 21.25pt 8pt 21.3pt; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Também estará patente “&lt;i&gt;Algarve Ontem&lt;/i&gt;”, saído recentemente.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #fff2cc; margin: 0cm 21.25pt 8pt 21.3pt; text-align: justify; text-indent: 0cm;"&gt;&lt;span style="font-size: xx-small;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Book Antiqua&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 21.25pt 8pt 21.3pt; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Book Antiqua&amp;quot;,&amp;quot;serif&amp;quot;; font-size: small;"&gt;&lt;span style="color: #351c75;"&gt;&lt;span style="color: #783f04;"&gt;Pode ler algumas passagens do livro&amp;nbsp;&lt;/span&gt; &lt;span style="font-size: large;"&gt;&lt;a href="http://vieira-caladoextraterrestres.blogspot.com/"&gt;aqui&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Book Antiqua&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1893223184816222580?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1893223184816222580/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1893223184816222580' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1893223184816222580'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1893223184816222580'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/08/febre-do-ouro.html' title='A FEBRE DO OURO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/-0_SIVaEears/TlWmmsycIcI/AAAAAAAAC6w/y4ZiEHw3eIU/s72-c/febre+net..jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8928698449898951066</id><published>2011-08-19T13:07:00.000-07:00</published><updated>2011-08-19T13:11:15.576-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Galileu Galilei'/><category scheme='http://www.blogger.com/atom/ns#' term='sistema heliocêntrico'/><category scheme='http://www.blogger.com/atom/ns#' term='fases de Vénus'/><category scheme='http://www.blogger.com/atom/ns#' term='luneta de galileu'/><category scheme='http://www.blogger.com/atom/ns#' term='Copérnico'/><title type='text'>A LUNETA DE GALILEU</title><content type='html'>&lt;div style="color: #fff2cc;"&gt;&lt;span style="font-size: xx-small;"&gt;&amp;nbsp;.&lt;/span&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-OJ8S1SxLmTY/Tk7CPL0X-RI/AAAAAAAAC6g/WHnEAzHw-Uw/s1600/quem-foi-galileu-galileigalile.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="150" src="http://3.bp.blogspot.com/-OJ8S1SxLmTY/Tk7CPL0X-RI/AAAAAAAAC6g/WHnEAzHw-Uw/s200/quem-foi-galileu-galileigalile.jpg" width="200" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;br /&gt;&lt;span style="color: #006600; font-size: 130%;"&gt;A PRIMEIRA LUNETA ASTRONÓMICA&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="color: #006600; font-size: large;"&gt;A  primeira luneta astronómica de que há memória, foi construída por  Galileu Galilei. Tratava-se dum aparelho óptico rudimentar, que pode ser  considerado o percursor dos modernos telescópios. O mês de Janeiro de  1604 ficou para a história da astronomia, como a data em que, através  dela, o célebre sábio de Florença descobriu as quatro mais importantes  luas de Júpiter – Io, Europa, Ganimedes e Calisto, por ordem de  proximidade ao planeta. Também foi ele o primeiro a provar a realidade  do sistema heliocêntrico (que tinha sido proposto por Copérnico),  refutando a antiga crença de que a Terra era o centro do Sistema Solar e  do Universo. Para além disto, nos domínios da astronomia –, foi ele o  primeiro a observar e calcular a altura das montanhas da Lua,  baseando-se nas sombras que o Sol projecta nas suas crateras, e a  verificar a existência de fases, no planeta Vénus, à imagem do que se  passa com as conhecidas fases do nosso satélite natural. O céu que  observara através da luneta, também lhe permitiu concluir que a Via  Láctea não era uma nuvem (como até aí se julgava), mas sim um enorme  conjunto de estrelas, a galáxia de que o Sol faz parte.&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color: #006600; font-size: large;"&gt;Hoje, sabe-se que esse número é superior a duzentos mil milhões: (200. 000. 000. 000)!&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8928698449898951066?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8928698449898951066/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8928698449898951066' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8928698449898951066'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8928698449898951066'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/08/luneta-de-galileu.html' title='A LUNETA DE GALILEU'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/-OJ8S1SxLmTY/Tk7CPL0X-RI/AAAAAAAAC6g/WHnEAzHw-Uw/s72-c/quem-foi-galileu-galileigalile.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-9127876278725884290</id><published>2011-08-03T15:07:00.000-07:00</published><updated>2011-08-15T19:33:31.814-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Lágrimas de São Lourenço'/><category scheme='http://www.blogger.com/atom/ns#' term='estremo oriente'/><category scheme='http://www.blogger.com/atom/ns#' term='perseides'/><category scheme='http://www.blogger.com/atom/ns#' term='Swift-Tuttle'/><title type='text'>CHUVA DE ESTRELAS DE AGOSTO</title><content type='html'>&lt;div class="MsoNormal" style="color: red; margin-bottom: 0.0001pt; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;Estamos no período das Perseides – uma chuva anual de estrelas cadentes – que vai ter o seu pico nas noites de 12 e 13 de Agosto. Infelizmente, para os observadores destes interessantes fenómenos astronómicos, a Lua estará cheia, Sábado, dia 13, o que limitará muito a visibilidade desses objectos.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="color: red;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin-bottom: 0.0001pt; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;Os meteoritos que vêm na direcção da Terra e se inflamam ao atingir as altas camadas da atmosfera, aí pelos 80 mil metros do solo, são restos dum cometa – o Swift-Tutlle&lt;/span&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;, que volta às imediações da Terra, todos os 130 anos. Quando a Terra, no seu curso anual passa relativamente perto dos pequenos pedaços de matéria que o cometa ejectou, eles são atraídos pelo nosso planeta. O nome Perseides, tem a ver com a zona do céu donde parecem vir: a constelação de Peuseu.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="color: red; text-align: justify;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin-bottom: 0.0001pt; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;Há referências a esta chuva de estrelas desde há mais de 2 mil anos, provenientes do Estremo Oriente.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="color: red; text-align: justify;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin-bottom: 0.0001pt; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;Esperam-se cerca de cem meteoritos por hora, embora, como foi referido, a claridade da Lua ofusque a maioria.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="color: red; text-align: justify;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin-bottom: 0.0001pt; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;Por curiosidade, refira-se que os católicos lhes chamam lágrimas de S. Lourenço.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm; text-indent: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-9127876278725884290?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/9127876278725884290/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=9127876278725884290' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/9127876278725884290'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/9127876278725884290'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/08/chuva-de-estrelas-de-agosto.html' title='CHUVA DE ESTRELAS DE AGOSTO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5304310032903796518</id><published>2011-07-28T19:19:00.000-07:00</published><updated>2011-07-28T19:21:56.245-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='zona vital da estrela'/><category scheme='http://www.blogger.com/atom/ns#' term='zooniverso'/><title type='text'>Descobrir planetas extrasolares, sem sair de casa</title><content type='html'>&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;span style="color: blue;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;&lt;span style="font-size: large;"&gt;&amp;nbsp;Parte 2&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;div style="color: #fff2cc;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&amp;nbsp;-&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #783f04;"&gt;&lt;span style="font-size: x-small;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;Ver postagem de15 de Julho&lt;/span&gt;&lt;/span&gt; &lt;/div&gt;&lt;/div&gt;&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;span style="color: #ffffcc;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;,&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #2323dc;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;Quando em relação a nós, um planeta passa pela frente duma estrela, dá-se um ligeiro abaixamento do seu brilho. É esta situação que permite aos astrónomos deduzir o volume do planeta e também a distância a que orbitam a estrela. O que a sonda procura são planetas idênticos à Terra, pelo menos em dois parâmetros julgados necessários para a existência de vida: que estejam na “zona vital” da estrela e cujas dimensões sejam propícias à existência de atmosfera e água líquida.&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #2323dc;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="color: blue;"&gt;&lt;span style="text-decoration: none;"&gt;A agência disponibiliza  o site   &lt;/span&gt;&lt;/span&gt;&lt;a href="http://www.zooniverse.org/"&gt;&lt;span style="color: blue;"&gt;&lt;u&gt;http://www.zooniverse.org&lt;/u&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style="color: blue;"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="text-decoration: none;"&gt;  &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: blue;"&gt;&lt;span style="text-decoration: none;"&gt;a partir do qual é possível a qualquer um, sem sair de casa, descobrir planetas nas condições referidas!&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-decoration: none;"&gt;&lt;span style="color: #fff2cc; font-size: large;"&gt;+&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-5304310032903796518?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/5304310032903796518/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=5304310032903796518' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5304310032903796518'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5304310032903796518'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/07/descobrir-planetas-extrasolares-sem.html' title='Descobrir planetas extrasolares, sem sair de casa'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-929168866799977657</id><published>2011-07-22T18:17:00.000-07:00</published><updated>2011-07-25T10:19:52.761-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hale-Bopp'/><category scheme='http://www.blogger.com/atom/ns#' term='Elenin cometa'/><title type='text'>COMETA NO CÉU</title><content type='html'>&lt;div align="JUSTIFY" style="color: #741b47; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;Foi recentemente anunciada a presença dum interessante cometa, no interior do Sistema Solar, já para aquém da órbita de Júpiter. Foi descoberto por Elenin, há uns meses e, como é usual, terá o nome do seu descobridor. Foi baptizado  Elenin (C/2010 X1). Tem um período muito longo, de cerca de 11.750 anos. Neste momento está a ser seguido pelos telescópios, na região da constelação de Virgem, e há quem pense que poderá vir a ser tão espectacular como o Hale-Bopp, da última década do século XX. Se isso acontecer, nunca será antes de fins de Agosto/princípios de Setembro.&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-929168866799977657?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/929168866799977657/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=929168866799977657' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/929168866799977657'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/929168866799977657'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/07/foi-recentemente-anunciada-presenca-dum.html' title='COMETA NO CÉU'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3429314573637245279</id><published>2011-07-15T18:22:00.000-07:00</published><updated>2011-07-15T18:23:48.958-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='ciclo de energia'/><category scheme='http://www.blogger.com/atom/ns#' term='Cisne constelação'/><category scheme='http://www.blogger.com/atom/ns#' term='Hidra'/><category scheme='http://www.blogger.com/atom/ns#' term='estrelas variáveis'/><category scheme='http://www.blogger.com/atom/ns#' term='missão Kepler'/><title type='text'>COMO DESCOBRIR UM PANETA EXTRASOLAR EM CASA</title><content type='html'>&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&amp;nbsp; &lt;span style="color: #fff2cc; font-family: Times New Roman,serif; font-size: xx-small;"&gt;-&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;b&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;Parte 1&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div lang="en-US" style="font-family: Arial,Helvetica,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;b&gt;&lt;span style="color: #fff2cc; font-size: small;"&gt;,&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;span style="font-size: small;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="color: red; font-family: Arial,Helvetica,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;Neste momento está em órbita a nave espacial Missão Kepler, que tem como objectivo rastrear o céu numa região entre as constelações de Hidra e Cisne, à procura de planetas em estrelas próximas.  Para ser mais preciso, diremos que a nave está equipada com uma câmara digital de 95 &lt;i&gt;megapixels&lt;/i&gt;, o que lhe permite procurar planetas com as dimensões aproximadas da Terra, entre 150 mil estrelas! &lt;/b&gt;&lt;/span&gt; &lt;/div&gt;&lt;div lang="en-US" style="color: red; font-family: Arial,Helvetica,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;Sabe que pode fazer isto, em casa, apenas usando o computador?&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="color: red; font-family: Arial,Helvetica,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;A técnica está em procurar pequenas variações no brilho duma dada estrela.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="color: red; font-family: Arial,Helvetica,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;Hoje já são conhecidas as estrelas que são intrinsecamente “&lt;i&gt;variáveis&lt;/i&gt;”, isto é: que   mudam de intensidade porque têm ciclos de produção de mais ou menos energia. Outras há, conhecidas, que têm regiões mais frias e a rotação da estrela inibe saber muito mais.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="color: red; font-family: Arial,Helvetica,sans-serif; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm; text-align: justify;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;Estas, à partida, são para pôr de parte.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;span style="font-family: Times New Roman,serif; font-size: large;"&gt;&lt;span style="color: #fff2cc;"&gt;. &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div lang="en-US" style="color: #783f04; line-height: 100%; margin-bottom: 0.05cm; margin-top: 0.05cm;"&gt;&lt;span style="font-family: Times New Roman,serif; font-size: x-small;"&gt;(continua)&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-3429314573637245279?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/3429314573637245279/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=3429314573637245279' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3429314573637245279'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3429314573637245279'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/07/como-descobrir-um-paneta-extrasolar-em.html' title='COMO DESCOBRIR UM PANETA EXTRASOLAR EM CASA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1444587769919431195</id><published>2011-07-09T20:30:00.000-07:00</published><updated>2011-07-09T20:30:48.014-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='binária visual'/><category scheme='http://www.blogger.com/atom/ns#' term='Alcor'/><category scheme='http://www.blogger.com/atom/ns#' term='Mizar'/><title type='text'>MIZAR E ALCOR</title><content type='html'>&lt;div style="margin-bottom: 0cm; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;&lt;span style="color: #fff2cc;"&gt;:&lt;/span&gt;&lt;/b&gt; &lt;br /&gt;&lt;div style="color: #4c1130; margin-bottom: 0cm;"&gt;&lt;b&gt;Como foi dito em anterior postagem  (clicar &lt;a href="http://www.blogger.com/post-edit.g?blogID=4681077596097508615&amp;amp;postID=2152100461754464078"&gt;&lt;span style="color: #cc0000;"&gt;aqui&lt;/span&gt;&lt;/a&gt;), é a partir da bem visível Ursa Maior que se chega à Estrela Polar – indicadora do Norte.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #4c1130; margin-bottom: 0cm;"&gt;&lt;b&gt;A Ursa Maior é uma constelação dita circumpolar (norte) porque, é sempre visível nas latitudes norte, ao longo do ano.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #4c1130; margin-bottom: 0cm;"&gt;&lt;b&gt;Tem uma estrela muito interessante (a do meio da cauda)... que são duas!  &lt;/b&gt;&lt;/div&gt;&lt;div style="color: #4c1130; margin-bottom: 0cm;"&gt;&lt;b&gt;Estão imensamente distantes uma da outra, mas, da Terra parecem estar ligadas. Chama-se a essa circunstância &lt;i&gt;binárias visuais&lt;/i&gt;, para destingir daquelas (muitas outras) que dependem gravitacionalmente uma da outra.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #4c1130; margin-bottom: 0cm;"&gt;&lt;b&gt;Essas estrelas são a Mizar e a Alcor. &lt;/b&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1444587769919431195?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1444587769919431195/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1444587769919431195' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1444587769919431195'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1444587769919431195'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/07/mizar-e-alcor.html' title='MIZAR E ALCOR'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1494156995287926940</id><published>2011-07-03T08:53:00.000-07:00</published><updated>2011-07-03T17:34:50.220-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Cenozóico'/><category scheme='http://www.blogger.com/atom/ns#' term='primatadinossauros'/><category scheme='http://www.blogger.com/atom/ns#' term='homnídeo'/><category scheme='http://www.blogger.com/atom/ns#' term='australopithecus'/><category scheme='http://www.blogger.com/atom/ns#' term='extinção dos dinossauros'/><category scheme='http://www.blogger.com/atom/ns#' term='homo sapiens'/><title type='text'>AINDA A SUPERNOVA NA M 51</title><content type='html'>&lt;div align="JUSTIFY" style="color: #990000; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;O que nós vemos hoje, na galáxia (clicar &lt;span style="background-color: #3d85c6;"&gt;&lt;/span&gt; &lt;a href="http://astronomia-algarve.blogspot.com/2011/06/supernova-na-m-51.html"&gt;M 51&lt;/a&gt;),&lt;span style="background-color: white;"&gt;&lt;/span&gt; ou &lt;i&gt;Whirlpool&lt;/i&gt;, também catalogada NGC 5194&lt;/b&gt;&lt;b&gt;&lt;span style="font-weight: normal;"&gt;,&lt;/span&gt; a mais de 20 milhões anos-luz, de nós, é uma &lt;i&gt;supernova&lt;/i&gt; – uma estrela em estado explosivo. Isso aconteceu no início da época do Miocénio, há 23 milhões de anos, durante a era do&lt;span style="font-weight: normal;"&gt; &lt;/span&gt;Cenozóico.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #990000; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Nesse tempo já a Terra era habitada por animais semelhantes aos que há hoje. Os dinossauros extinguiram-se à 65 milhões de anos. Mas o homem estava ainda bem longe de aparecer. No entanto, até meados do Miocénio (14 milhões de anos), desenvolveu-se um novo grupo de primatas, que estão na origem dos primeiros homnídeos, o &lt;i&gt;australopithecus&lt;/i&gt; que, por sua vez, haveria de evoluir para dar o grupo &lt;i&gt;homo&lt;/i&gt; percursor do homem, o &lt;i&gt;homo sapiens&lt;/i&gt;.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1494156995287926940?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1494156995287926940/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1494156995287926940' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1494156995287926940'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1494156995287926940'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/07/ainda-supernova-na-m-51.html' title='AINDA A SUPERNOVA NA M 51'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4741628392247375301</id><published>2011-06-27T15:34:00.000-07:00</published><updated>2011-07-21T15:27:05.686-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='gêmeos signo'/><category scheme='http://www.blogger.com/atom/ns#' term='Helena de Tróia'/><category scheme='http://www.blogger.com/atom/ns#' term='estrela Castor'/><category scheme='http://www.blogger.com/atom/ns#' term='constelação gêmeos'/><category scheme='http://www.blogger.com/atom/ns#' term='Póllux'/><category scheme='http://www.blogger.com/atom/ns#' term='estrelas binárias'/><title type='text'>CONSTELAÇÃO dos GÊMEOS</title><content type='html'>&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-ImWLXN0OR0I/TgfRHfwK4lI/AAAAAAAAC30/C1TzmXSUQ_M/s1600/esquim%25C3%25B3.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="400" src="http://3.bp.blogspot.com/-ImWLXN0OR0I/TgfRHfwK4lI/AAAAAAAAC30/C1TzmXSUQ_M/s400/esquim%25C3%25B3.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;nebulosa esquimó&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-7ywOifjpteA/TgfSbeKKu4I/AAAAAAAAC34/jAmfbzP3yR0/s1600/GEMEOS.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" src="http://3.bp.blogspot.com/-7ywOifjpteA/TgfSbeKKu4I/AAAAAAAAC34/jAmfbzP3yR0/s1600/GEMEOS.jpg" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;os gêmeos, tal como eram visto na Antiguidade Clássica&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d;"&gt;&lt;span style="font-size: large;"&gt;As duas estrelas mais brilhantes da constelação dos Gêmeos, a &lt;i&gt;α&lt;/i&gt; e a &lt;i&gt;β&lt;/i&gt;, são Castor e Pólux. Representam as cabeças dos gêmeos. Na mitologia grega, eram irmãos da célebre Helena de Tróia.&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d;"&gt;&lt;span style="font-size: large;"&gt;Sob o ponto de vista da Astronomia, é interessante saber que afinal Castor não é uma estrela, mas sim, três que se confundem, aos nossos olhos. Elas orbitam em torno umas das outras. Mas, mais interessante ainda é que cada uma dessas três estrelas, são, na realidade, sistemas binários. Assim sendo, Castor é um sistema sextuplo, que nos parece uma só estrela!&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d;"&gt;&lt;span style="font-size: large;"&gt;Encontram-se a cerca de 50 anos-luz de nós. Pólux, essa, está a 35 anos-luz. Portanto, não são gêmeos coisa nenhuma, porque não há nenhuma relação entre a &lt;i&gt;α&lt;/i&gt; e &lt;i&gt;β&lt;/i&gt;. O que nós vemos da Terra, é apenas a sua projecção no fundo do écran do céu.&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d;"&gt;&lt;span style="font-size: large;"&gt;Na espaço aparente ocupado pela constelação (que no céu é atravessada pela Elíptica – a linha vermelha), há a salientar um cúmulo aberto, o M 35, uma estrela de neutrões e a Nebulosa do Esquimó (NGC 2392), uma nebulosa planetária.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4741628392247375301?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4741628392247375301/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4741628392247375301' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4741628392247375301'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4741628392247375301'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/06/constelacao-dos-gemeos.html' title='CONSTELAÇÃO dos GÊMEOS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/-ImWLXN0OR0I/TgfRHfwK4lI/AAAAAAAAC30/C1TzmXSUQ_M/s72-c/esquim%25C3%25B3.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7013733190469834345</id><published>2011-06-21T17:26:00.000-07:00</published><updated>2011-06-26T09:57:42.541-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='convite'/><category scheme='http://www.blogger.com/atom/ns#' term='exposição'/><title type='text'>EXPOSIÇÃO em LAGOS</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-LdD5I0VDYks/TgE36HnrX8I/AAAAAAAAC24/x4ID5u_tMSI/s1600/viev.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="640" src="http://4.bp.blogspot.com/-LdD5I0VDYks/TgE36HnrX8I/AAAAAAAAC24/x4ID5u_tMSI/s640/viev.jpg" width="411" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/-n1cwYYOJzv0/TgE2dl5BCfI/AAAAAAAAC2w/OM-Pvy4sA64/s1600/CONVITE+BLOGS.jpg" imageanchor="1"&gt;&lt;br /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7013733190469834345?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7013733190469834345/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7013733190469834345' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7013733190469834345'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7013733190469834345'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/06/clicar-para-melhor-ler.html' title='EXPOSIÇÃO em LAGOS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-LdD5I0VDYks/TgE36HnrX8I/AAAAAAAAC24/x4ID5u_tMSI/s72-c/viev.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8980581022279064789</id><published>2011-06-16T05:30:00.000-07:00</published><updated>2011-06-16T05:32:40.159-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='praia da luz'/><category scheme='http://www.blogger.com/atom/ns#' term='imagem de eclipse total'/><title type='text'>O ECLIPSE</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/-mWh4vtmjIvE/Tfn2sUN5fSI/AAAAAAAAC2c/KNf3cp0Q_ig/s1600/Lua+eclipsada+_1_.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="217" src="http://2.bp.blogspot.com/-mWh4vtmjIvE/Tfn2sUN5fSI/AAAAAAAAC2c/KNf3cp0Q_ig/s320/Lua+eclipsada+_1_.jpg" width="320" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;A parte branca já saíu do eclipse - clicar para aumentar&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div style="text-align: center;"&gt;&lt;span style="font-size: large;"&gt;ver postagem anterior&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8980581022279064789?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8980581022279064789/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8980581022279064789' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8980581022279064789'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8980581022279064789'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/06/o-eclipse.html' title='O ECLIPSE'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/-mWh4vtmjIvE/Tfn2sUN5fSI/AAAAAAAAC2c/KNf3cp0Q_ig/s72-c/Lua+eclipsada+_1_.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4680028436842298533</id><published>2011-06-13T15:04:00.000-07:00</published><updated>2011-06-13T15:06:58.467-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='eclipse total de lua'/><category scheme='http://www.blogger.com/atom/ns#' term='fenómenos naturais'/><category scheme='http://www.blogger.com/atom/ns#' term='refracção da luz'/><title type='text'>Eclipse total da Lua, a 15 de Junho</title><content type='html'>&lt;div class="MsoNormal" style="line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 16pt;"&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #660000; text-align: justify;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;É já na próxima quarta-feira, dia 15 de Junho, um eclipse total de Lua, que será visto em quase todo o globo. Entre nós, a Lua nasce pouco antes das 21 horas, já completamente mergulhada na sombra que a Terra projecta no Espaço.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;Por volta das 22 horas, vamos assistir à parte final da fase de eclipse total, quando a Lua começar a sair da sombra da Terra, entrando numa fase de penumbra, que durará até à meia-noite.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;Em todo o Brasil, a Lua também nasce já encoberta.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;Um acontecimento semelhante, visível em Portugal, só virá a repetir-se em 2015, no dia 28 de Setembro.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;Será interessante verificar que a Lua continuará a ser vista, durante o eclipse. Isso deve-se à refracção da luz, na atmosfera terrestre. E a cor que apresentará será consequência do estado da própria atmosfera: gases diversos, nuvens ou nebulosidade, e poeiras. Ou, as recentes cinzas vulcânicas que têm sido ejectadas por vulcões. &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;A cor da Lua poderá ir do cinzento ao avermelhado, passando pelo laranja ou pelo castanho. &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; line-height: normal; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;De referir que estes fenómenos – eclipses totais de Lua –, só acontecem pela Lua Cheia, porque é nessa situação que o nosso satélite natural poderá passar pelo cone da sombra da Terra, provocada pelo Sol.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; mso-outline-level: 1; text-indent: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4680028436842298533?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4680028436842298533/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4680028436842298533' title='3 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4680028436842298533'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4680028436842298533'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/06/eclipse-total-da-lua-15-de-junho.html' title='Eclipse total da Lua, a 15 de Junho'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>3</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-900792423925436101</id><published>2011-06-09T05:39:00.000-07:00</published><updated>2011-06-10T18:57:09.544-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='NGC 5194'/><category scheme='http://www.blogger.com/atom/ns#' term='ferro e silício'/><category scheme='http://www.blogger.com/atom/ns#' term='whirlpool galaxy'/><category scheme='http://www.blogger.com/atom/ns#' term='enormíssimas temperaturas'/><title type='text'>Supernova na M 51</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://1.bp.blogspot.com/-P6CqYSoCEYs/TfC-FtKwN_I/AAAAAAAAC1o/2cuORHhqx7A/s1600/sn_M51+St%25C3%25A9phane+Lamotte+Bailey+the+Whirlpool+galaxy%2527s.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;br /&gt;&lt;/a&gt;&lt;/div&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-i6J21upx3qU/TfC-WRN_Q-I/AAAAAAAAC1s/zMTmZ1KORyE/s1600/sn_M51+St%25C3%25A9phane+Lamotte+Bailey+the+Whirlpool+galaxy%2527s.gif" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="281" src="http://4.bp.blogspot.com/-i6J21upx3qU/TfC-WRN_Q-I/AAAAAAAAC1s/zMTmZ1KORyE/s400/sn_M51+St%25C3%25A9phane+Lamotte+Bailey+the+Whirlpool+galaxy%2527s.gif" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;span style="font-size: small;"&gt;espere um pouco, ou mova o rato, para observar&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div style="color: #fff2cc; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;i&gt;&amp;nbsp;.&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Foi recentemente anunciada uma &lt;i&gt;supernova&lt;/i&gt; (uma estrela que chegou ao fim da existência e explodiu), na galáxia Whirlpool (também catalogada por &lt;span style="font-weight: normal;"&gt;NGC 5194, &lt;/span&gt;a mais de 20 milhões  anos-luz, de nós.  &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Na mesma imagem, pode ver-se o aspecto da galáxia, antes e depois desse acontecimento extraordinário. Como se constata, não havia nada de significativo no sítio onde aparece agora essa estrela em estado explosivo.  &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;As enormíssimas temperaturas atingidas durante a explosão são as responsáveis pela formação de elementos pesados (acima do ferro e do silício), indispensáveis para que as novas estrelas resultantes, possam ter planetas rochosos idênticos à Terra. Mas isso só vem a acontecer passados muitos milhares de milhões de anos.&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #fff2cc; font-size: xx-small;"&gt;, &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-size: small;"&gt;* Os outros pontos de luz mais brilhantes visíveis na imagem, são estrelas da nossa própria galáxia, excepto a parte central, onde a concentração de estrelas é maior; de resto, como acontece noutras galáxias, incluindo a Via Láctea.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: white;"&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;span style="font-size: x-small;"&gt;A imagem é de  Stéphane Lamotte Bailey &lt;/span&gt; &lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-900792423925436101?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/900792423925436101/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=900792423925436101' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/900792423925436101'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/900792423925436101'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/06/supernova-na-m-51.html' title='Supernova na M 51'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-i6J21upx3qU/TfC-WRN_Q-I/AAAAAAAAC1s/zMTmZ1KORyE/s72-c/sn_M51+St%25C3%25A9phane+Lamotte+Bailey+the+Whirlpool+galaxy%2527s.gif' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-2152100461754464078</id><published>2011-05-28T10:18:00.000-07:00</published><updated>2011-06-04T20:20:01.612-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Estrela Polar'/><category scheme='http://www.blogger.com/atom/ns#' term='as guardas da Ursa Maior'/><category scheme='http://www.blogger.com/atom/ns#' term='Ursa Maior'/><category scheme='http://www.blogger.com/atom/ns#' term='navegação'/><category scheme='http://www.blogger.com/atom/ns#' term='ursa menor'/><title type='text'>ESTRELA POLAR</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/-mqwV1vLDNhw/Ter1eFx2yzI/AAAAAAAAC0w/1ChIjBdyNeI/s1600/nadjipolaris++GIF.gif" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" src="http://4.bp.blogspot.com/-mqwV1vLDNhw/Ter1eFx2yzI/AAAAAAAAC0w/1ChIjBdyNeI/s1600/nadjipolaris++GIF.gif" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;imagem google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="color: #fff2cc; margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;span style="font-size: xx-small;"&gt;--&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div align="JUSTIFY" style="color: #20124d; margin-bottom: 0cm; margin-right: 0.1cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Ursa Menor é uma importante constelação, particularmente pelo facto de uma das suas estrelas indicar o Norte.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d; margin-bottom: 0cm; margin-right: 0.1cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Noutros tempos isto era de capital importância para os navegadores, no hemisfério Norte.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d; margin-bottom: 0cm; margin-right: 0.1cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;A constelação não é facilmente perceptível mas, a vizinha (e invertida) Ursa Maior é fácil de identificar.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #20124d; margin-bottom: 0cm; margin-right: 0.1cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Na imagem que produzimos, a partir das duas &lt;span style="font-family: Times New Roman,serif;"&gt;"&lt;/span&gt;guardas&lt;span style="font-family: Times New Roman,serif;"&gt;"&lt;/span&gt; - assim se lhes chama - da Maior, facilmente se chega à Estrela Polar, a tal que indica o Norte.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-2152100461754464078?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/2152100461754464078/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=2152100461754464078' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2152100461754464078'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2152100461754464078'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/05/estrela-polar.html' title='ESTRELA POLAR'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/-mqwV1vLDNhw/Ter1eFx2yzI/AAAAAAAAC0w/1ChIjBdyNeI/s72-c/nadjipolaris++GIF.gif' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3510773195859018633</id><published>2011-05-19T16:11:00.000-07:00</published><updated>2011-05-19T16:12:24.121-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='ovo cósmico'/><category scheme='http://www.blogger.com/atom/ns#' term='red-sift'/><category scheme='http://www.blogger.com/atom/ns#' term='Lemaître'/><category scheme='http://www.blogger.com/atom/ns#' term='big bang'/><category scheme='http://www.blogger.com/atom/ns#' term='átomo primordial'/><title type='text'>O OVO CÓSMICO</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;span style="font-size: large;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;br /&gt;&lt;div align="JUSTIFY" style="color: #0c343d; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Em tempos modernos, foi o abade belga Georges Lemaître a avançar a ideia de que o Universo tinha tido início num único átomo, &lt;span style="text-decoration: none;"&gt;a que chamou&lt;/span&gt; "&lt;i&gt;átomo primordial&lt;/i&gt;" ou "&lt;i&gt;ovo cósmico&lt;/i&gt;". &lt;/b&gt;&lt;/span&gt; &lt;/div&gt;&lt;div align="JUSTIFY" style="color: #0c343d; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Tal proposta foi feita nos anos 30. Esta ideia contribuiu para explicar as observações de Edwin Hubble (1889-1953) que, ao medir "&lt;i&gt;o deslocamento-para-o-vermelho&lt;/i&gt;", de galáxias distantes – o chamado &lt;i&gt;red-shift&lt;/i&gt;, percebeu o seu sucessivo afastamento e, por consequência, que o Universo se encontra numa bolha de expansão. A anterior e célebre "&lt;i&gt;Teoria da Relatividade Geral&lt;/i&gt;", de Einstein (1915), também já previa esse afastamento e consequente expansão.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #fff2cc; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;,&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #0c343d; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Mas é curioso verificar que em muitas das antigas civilizações prevalecia a mesma crença. Entre outros, os chineses, os celtas, os egípcios, os gregos, os indianos e vários povos indígenas, também acreditavam num &lt;i&gt;ovo cósmico&lt;/i&gt;, donde teria nascido o Universo. Provavelmente, ao perceber que muito do que é a Criação, provém dum ovo. &lt;/b&gt;&lt;/span&gt; &lt;/div&gt;&lt;div align="JUSTIFY" style="color: #0c343d; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Geralmente consideravam que o ovo eclodira depois dum longo período de repouso, ou caos.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="color: #0c343d; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; margin-bottom: 0cm;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Alguns falam das forças criativas no interior do &lt;i&gt;ovo&lt;/i&gt; em repouso, e esta ideia, curiosamente, de certo modo vem ao encontro do que hoje se pensa sobre o vácuo absoluto e as suas forças potenciais que, sem que se saiba porquê, a um dado momento se põem em acção, como terá acontecido no &lt;i&gt;BiG Bang &lt;/i&gt;– o eclodir do "&lt;i&gt;ovo cósmico&lt;/i&gt;".&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="JUSTIFY" style="margin-bottom: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-3510773195859018633?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/3510773195859018633/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=3510773195859018633' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3510773195859018633'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3510773195859018633'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/05/o-ovo-cosmico.html' title='O OVO CÓSMICO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-6020122890068569823</id><published>2011-05-14T16:23:00.000-07:00</published><updated>2011-05-18T16:30:00.817-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='5ª constelação Zodíaco'/><category scheme='http://www.blogger.com/atom/ns#' term='signo'/><category scheme='http://www.blogger.com/atom/ns#' term='touro constelação'/><title type='text'>CONSTELAÇÃO TOURO (2)</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;br /&gt;&lt;span style="color: #fff2cc;"&gt;,&lt;/span&gt;&lt;br /&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/-Wtg65utVaq8/Tc8RWnjhINI/AAAAAAAACyM/o-1C5HKxKJM/s1600/Taurus.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="320" src="http://2.bp.blogspot.com/-Wtg65utVaq8/Tc8RWnjhINI/AAAAAAAACyM/o-1C5HKxKJM/s400/Taurus.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;As  coincidências citadas no anterior postagem, de 8 de Maio, Constelação  do Touro (1), têm feito com que certos estudiosos destas matérias se  tenham debruçado sobre elas e tenha sido aventada uma ideia curiosa: &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Há  cerca de dezasseis mil anos, o nascimento da constelação do Touro (*)  deveria fazer-se próximo do equinócio da Primavera, trazendo,  possivelmente, aos de então, quer aos europeus e norte-africanos, quer  aos povos das américas, uma imagem de paraíso do regresso à terra-mãe,  com temperaturas amenas e bucólicos prados e herbívoros, dado pela sensação  de calor (pensava-se) que emana da alfa, Aldebaran - (o olho do touro,  segundo a mitologia árabe) -, uma gigante vermelha alaranjada. &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Aldebaran  é a mais brilhante da constelação e, por isso, há dois ou três  milénios, por vezes, era utilizada para orientação no mar. Assim sendo, é  fácil de perceber a importância que tinha. E nesse tempo, marcava o  equinócio de Verão.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Em termos astronómicos, a estrela encontra-se relativamente próxima do nosso sistema solar, a sessenta e cinco anos luz.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Na  constelação, as suas estrelas beta e zeta representam as pontas dos  cornos do touro e perfilam-se, em riste, ameaçadores, na direcção de  Orion, segundo reza a Mitologia. &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Dizer-se  que é uma constelação do Zodíaco, significa que se encontra no equador  celeste. Vista da Terra, a projecção desse grupo de estrelas, no céu,  parece ser anualmente atravessada pelo Sol, entre meados de Abril e  meados de Maio. O mesmo acontece com as outras constelações ditas do  Zodíaco, cada uma delas correspondendo a um período de tempo semelhante,  no que respeita ao trânsito aparente do Sol, ao longo do céu.&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;span style="font-size: small;"&gt;&lt;span style="color: #783f04;"&gt;(*) - a 1ª vez, durante um ano, que aparece no horizonte&lt;/span&gt;&lt;/span&gt;&lt;b&gt;&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-6020122890068569823?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/6020122890068569823/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=6020122890068569823' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6020122890068569823'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6020122890068569823'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/05/constelacao-touro-2.html' title='CONSTELAÇÃO TOURO (2)'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/-Wtg65utVaq8/Tc8RWnjhINI/AAAAAAAACyM/o-1C5HKxKJM/s72-c/Taurus.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7173429858607889309</id><published>2011-05-08T09:20:00.000-07:00</published><updated>2011-05-11T08:30:07.693-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Algamest'/><category scheme='http://www.blogger.com/atom/ns#' term='constelação Touro'/><category scheme='http://www.blogger.com/atom/ns#' term='Ápis'/><category scheme='http://www.blogger.com/atom/ns#' term='ptolomeu'/><category scheme='http://www.blogger.com/atom/ns#' term='prado da consteção Touro'/><category scheme='http://www.blogger.com/atom/ns#' term='Aldebaran'/><category scheme='http://www.blogger.com/atom/ns#' term='Bezerro de Ouro'/><title type='text'>CONSTELAÇÃO TOURO</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;a href="http://4.bp.blogspot.com/_gwiQZ4uXrnI/SNEVUgo-QdI/AAAAAAAAA3U/ef7KOU8_2Gc/s1600-h/Taurus.png"&gt;&lt;img alt="" border="0" height="400" id="BLOGGER_PHOTO_ID_5246998482966692306" src="http://4.bp.blogspot.com/_gwiQZ4uXrnI/SNEVUgo-QdI/AAAAAAAAA3U/ef7KOU8_2Gc/s400/Taurus.png" style="display: block; margin: 0px auto 10px; text-align: center;" width="400" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div class="MsoNormal" style="color: #ff6600; font-weight: bold;"&gt;&lt;span style="font-size: 12pt;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; font-weight: bold; text-align: justify;"&gt;&lt;span style="font-size: 12pt;"&gt;O Touro (&lt;i&gt;Taurus&lt;/i&gt;) é uma das quarenta e oito constelações da lista elaborada por Ptolomeu, na sua obra, &lt;i&gt;Almagest&lt;/i&gt;, dois séculos antes de Cristo. É reconhecida como constelação, desde os caldeus que viveram há cinco mil anos. A sua estrela mais brilhante é Aldebaran (o olho do toiro) - segundo os árabes.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; font-weight: bold; text-align: justify;"&gt;&lt;span style="font-size: 12pt;"&gt;Podemos  facilmente observá-la na região zodiacal, nos nossos céus nocturnos,  entre Carneiro e Gémeos, próxima da grande constelação de Orion. É uma  das mais celebradas e esbeltas dos nossos céus e representa &lt;i&gt;a cabeça do touro&lt;/i&gt;,  segundo as mitologias ocidentais, mas também um prado (a inteira  constelação), na mitologia inca das américas pré-columbianas,  relacionando-se com o mesmo tipo de fantasia ou ilusão, embora se saiba  quão distante dos povos do Mediterrâneo se encontrava essa civilização. &lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; font-weight: bold; text-align: justify;"&gt;&lt;span style="font-size: 12pt;"&gt;No  entanto, sabe-se o valor que os antigos atribuíam ao touro, que era  sinónimo de força e fertilidade e isso, provavelmente, tem a ver com o  que se pretendia para o nascimento dum novo ano.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: 12pt;"&gt;O Touro é citado na mitologia grega e seria nen mais nem menos do que Zeus disfarçado de touro,&amp;nbsp; numa das suas habituais aventuras amorosas.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: 12pt;"&gt;Para os egípcios era Ápis,&amp;nbsp; e os judeus assimilavam-no ao &lt;i&gt;Bezerros de Ouro.&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7173429858607889309?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7173429858607889309/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7173429858607889309' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7173429858607889309'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7173429858607889309'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/05/constelacao-touro.html' title='CONSTELAÇÃO TOURO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_gwiQZ4uXrnI/SNEVUgo-QdI/AAAAAAAAA3U/ef7KOU8_2Gc/s72-c/Taurus.png' height='72' width='72'/><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7183146271472131021</id><published>2011-04-29T19:35:00.000-07:00</published><updated>2011-04-29T19:35:23.797-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='novo méxico'/><category scheme='http://www.blogger.com/atom/ns#' term='milénio'/><category scheme='http://www.blogger.com/atom/ns#' term='M1 messier'/><category scheme='http://www.blogger.com/atom/ns#' term='nebulosa do caranguejo'/><category scheme='http://www.blogger.com/atom/ns#' term='índio navajos'/><category scheme='http://www.blogger.com/atom/ns#' term='Chaco Canon'/><category scheme='http://www.blogger.com/atom/ns#' term='supernova'/><category scheme='http://www.blogger.com/atom/ns#' term='dinastia Sug'/><title type='text'>O CARANGUEJO (nebulosa)</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;br /&gt;&lt;a href="http://4.bp.blogspot.com/_gwiQZ4uXrnI/SdC4Ir2_lHI/AAAAAAAABgk/4rV1HrrZ7P4/s1600-h/20061116++++++++++++nasa13.jpg"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5318953619276403826" src="http://4.bp.blogspot.com/_gwiQZ4uXrnI/SdC4Ir2_lHI/AAAAAAAABgk/4rV1HrrZ7P4/s400/20061116++++++++++++nasa13.jpg" style="display: block; height: 408px; margin: 0px auto 10px; text-align: center; width: 408px;" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="color: #0b5394; text-align: justify;"&gt;&lt;span style="font-size: large; font-weight: bold;"&gt;O ano de 1054 da  nossa era, ficou para a história da astronomia como o ano em que a  primeira &lt;i&gt;supernova&lt;/i&gt; foi descrita pelos habitantes do planeta. O  acontecimento foi registado no dia 4 de Julho, pelos astrónomos Chineses  da dinastia Sung, que chamaram ao fenómeno, &lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;i style="font-weight: bold;"&gt;estrela convidada.&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #0b5394; text-align: justify;"&gt;&lt;span style="font-size: large; font-weight: bold;"&gt;Mas  também, por outros povos da Terra. Os índios Navajos, de Chaco Canon,  no Novo México, gravaram o fenómeno, numa pedra, tendo o cuidado de aí  colocar a Lua, na sua correcta fase, e algumas estrelas próximas, tal  como observaram. Isso permitiu que os modernos astrónomos soubessem que o  fenómeno registado por esses índios americanos, fora o mesmo que os  chineses registaram.&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #0b5394; text-align: justify;"&gt;&lt;span style="font-size: large; font-weight: bold;"&gt;O  que aconteceu foi qualquer coisa de verdadeiramente surpreendente. Numa  região do céu, na constelação do Touro, onde não havia nenhuma estrela  proeminente, apareceu, subitamente, um luzeiro de grande intensidade a  aumentar o seu brilho, de noite para noite, de tal maneira que, em  poucos dias, o seu resplendor chegou a atingir cinco vezes o do planeta  Vénus e ser claramente visível, em pleno dia!&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #0b5394; text-align: justify;"&gt;&lt;span style="font-size: large; font-weight: bold;"&gt;Tratava-se  duma &lt;i&gt;supernova&lt;/i&gt;, ou seja: uma estrela que explodiu, debitando tanta  energia em poucas semanas, como o nosso Sol o tem vindo a fazer, desde  há milhares de milhões de anos!&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #0b5394; text-align: justify;"&gt;&lt;span style="font-size: large; font-weight: bold;"&gt;Assestando  os telescópios para o sítio exacto onde se verificou o acontecimento,  os astrónomos de hoje podem observar uma nebulosa que, vagamente, faz  lembrar um caranguejo, sendo conhecida por esse nome. Messier, um  astrónomo que elaborou o primeiro mapa celeste dos tempos modernos,  deu-lhe a designação de M 1. Encontra-se a mais de três mil anos luz da  Terra e no seu centro está um estrela de neutrões – um pulsar – que gira  sobre si mesmo, trinta vezes por segundo.&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #0b5394; text-align: justify;"&gt;&lt;span style="font-size: large; font-weight: bold;"&gt;Quando,  a intervalos de quarenta ou cinquenta anos, se tiram fotografias ao  pulsar, pode ver-se que a explosão não chegou ao fim. Na verdade,  filamentos visíveis de matéria, ainda se afastam do centro, a cerca de  mil quilómetros por segundo, passado que foi mais dum milénio, sobre  esse tão extraordinário acontecimento!&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7183146271472131021?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7183146271472131021/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7183146271472131021' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7183146271472131021'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7183146271472131021'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/04/o-caranguejo-nebulosa.html' title='O CARANGUEJO (nebulosa)'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_gwiQZ4uXrnI/SdC4Ir2_lHI/AAAAAAAABgk/4rV1HrrZ7P4/s72-c/20061116++++++++++++nasa13.jpg' height='72' width='72'/><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4083183493833170030</id><published>2011-04-24T13:28:00.000-07:00</published><updated>2011-04-24T13:32:21.333-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='arco-íris'/><category scheme='http://www.blogger.com/atom/ns#' term='Radiação solar'/><category scheme='http://www.blogger.com/atom/ns#' term='neutrino'/><category scheme='http://www.blogger.com/atom/ns#' term='priama óptico'/><category scheme='http://www.blogger.com/atom/ns#' term='raios cósmicos'/><category scheme='http://www.blogger.com/atom/ns#' term='ondas luminosas'/><title type='text'>A RADIAÇÃO SOLAR</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;div align="justify"&gt;&lt;div style="color: #fff2cc;"&gt;&lt;span style="font-size: 78%;"&gt;&lt;b&gt;&amp;nbsp;,&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;span style="font-size: 78%;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt; &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;A  radiação que chega até nós, vinda do Sol, é de natureza diversa e  envolve uma série de fenómenos diversos. Para os povos mais antigos, ela  resumia-&lt;/span&gt;&lt;/b&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;se à luz visível e, mesmo  assim, essa luz parecia ser una e indivisível. No entanto, os estudos do  inglês Thomas Young, vieram a mostrar a realidade dessa luz. Ela, de  facto, é composta de várias &lt;i&gt;luzes &lt;/i&gt;diferentes, que podemos  verificar (e apreciar) num arco-íris. Quando se dá esse belo fenómeno  atmosférico, a luz solar é decomposta em luzes de sete cores diferentes.  O mesmo se passa quando a fazemos atravessar o prisma óptico, em  laboratório. Ao atravessar o prisma de vidro ou a viajar por entre as  gotículas de água que se mantém em suspensão depois da chuva, o conjunto  da ondas luminosas que compõem a luz solar, é fraccionada segundo as  suas características electromagnéticas. A cada uma dessas cores  corresponde um diferente comprimento de onda da radiação solar e cada  uma dessas luzes tem características físicas diferentes. Por exemplo,  ela é mais fria e mais penetrante nas imediações do violeta e mais  quente e menos penetrante, nos vermelhos.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;No  entanto, a radiação solar não se esgota nestas sete cores e seus  correspondentes comportamentos físicos. Além dos raios ultravioletas,  que têm um efeito nocivo e perigoso na pele dos veraneantes (mas também  no resto da fauna e da flora do planeta...), particularmente se se trata  dos ultravioletas duros, que são os mais penetrantes, temos ainda a os  raios x e os raios gama, muito mais perigosos que os ultravioletas. O  ozone e a atmosfera protegem-nos dessas radiações mortíferas.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;Ainda  a considerar, na radiação solar, o efeito dos raios cósmicos que, como o  nome sugere, parecem vir do Cosmos longínquo. Mas assim não é. Eles  chegam-nos de todas as zonas do espaço cósmico e são oriundos de  estrelas comuns, inclusivamente do Sol. São entidades como núcleos de  hélio e até núcleos de elementos pesados. Chegam à Terra com velocidades  apenas um pouco inferiores à velocidade da luz e geralmente não atingem  a superfície do nosso planeta. Como são de dimensões idênticas ao  oxigénio ou ao azoto da atmosfera, chocam com esses elementos ao entrar  nas altas camadas atmosféricas, produzindo fenómenos interessantíssimos  que são estudados atentamente na física atómica.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;Para  finalizar, vamos referir os neutrinos. O número de neutrinos que chega à  Terra é colossal. Têm características que os tornam quase  indetectáveis, porque são partículas electricamente neutras (tal como os  fotões), e ainda muitíssimo mais pequenas que eles. Assim, não são  atraídos ou repelidos pela matéria comum e passam facilmente por entre  ela, sem esbarrar com os núcleos de todos os elementos da natureza  (atravessam o nosso corpo, em todos os sentidos, sem que demos por isso e  sem nos causar qualquer dano), podendo também atravessar de lado a lado  toda a Terra (e mesmo o Sol), sem praticamente interagir com a matéria.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;A  existência desta partícula quase fantasma, tinha sido proposta pelo  físico austríaco Pauli, em 1930, para tentar explicar determinados  problemas que se punham com a desintegração do neutrão. Mas foi Enrico  Fermi, ainda no mesmo ano de 1930, que elaborou um modelo para o átomo,  que incluía o neutrino. Como era italiano, chamou-lhe neutrino, ou  seja: pequeno neutrão.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;A  existência da partícula acabou por ser provada. Porém, subsiste um  mistério. Porque é que chegam à Terra muito menos neutrinos dos que são  previstos teoricamente?&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;Haverá  qualquer coisa que ainda não foi bem compreendida nessa partícula  fantasma, ou haverá algum erro importante, nos mais recentes modelos que  procuram explicar o funcionamento do Cosmos?&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #3333ff;"&gt;Recentemente, pensa-se que se transformam, pelo caminho.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4083183493833170030?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4083183493833170030/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4083183493833170030' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4083183493833170030'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4083183493833170030'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/04/radiacao-solar.html' title='A RADIAÇÃO SOLAR'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5437572708759360873</id><published>2011-04-11T16:52:00.000-07:00</published><updated>2011-04-11T16:56:05.393-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='rubídea'/><category scheme='http://www.blogger.com/atom/ns#' term='Cenrtauro'/><category scheme='http://www.blogger.com/atom/ns#' term='Acrux'/><category scheme='http://www.blogger.com/atom/ns#' term='Estados brasileiros'/><category scheme='http://www.blogger.com/atom/ns#' term='polo austral'/><category scheme='http://www.blogger.com/atom/ns#' term='bandeira do Brasil'/><category scheme='http://www.blogger.com/atom/ns#' term='Becrux'/><category scheme='http://www.blogger.com/atom/ns#' term='Cruzeiro do Sul'/><title type='text'>O CRUZEIRO DO SUL</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;span style="color: #ffffcc;"&gt;......&lt;/span&gt; &lt;br /&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/SYYuX2XyYdI/AAAAAAAABY4/n9WXd6eKEIc/s1600-h/crux2.gif"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5297972998915121618" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/SYYuX2XyYdI/AAAAAAAABY4/n9WXd6eKEIc/s320/crux2.gif" style="float: left; height: 232px; margin: 0pt 10px 10px 0pt; width: 320px;" /&gt;&lt;/a&gt; &lt;br /&gt;&lt;style&gt;p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }div.Section1 { page: Section1; }&lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;&lt;br /&gt;A  constelação do Cruzeiro do Sul não é visível nas nossas latitudes. Mas  foi de grande importância para os europeus, antigos navegantes e  descobridores das terras e ilhas austrais.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;Servia de referência segura, para quem navegava nesses mares.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;Assim  como no hemisfério norte, a estrela Polar (da constelação da Ursa  Menor), indica o polo Norte, também uma das estrelas do Cruzeiro do Sul,  indica o polo austral. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;Trata-se  da estrela α (alfa), conhecida por Estrela de Magalhães, ou Acrux, a  mais brilhante da constelação e uma das mais brilhante de todo céu  nocturno. Na verdade, a observação ao telescópio, mostra que a α não é  uma só estrela, mas duas!&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;É sempre visível nessas latitudes, pois faz a circunvalação do polo Sul celeste e nunca entra em ocaso.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;Outras  estrelas da constelação merecem referência: a β (beta), também muito  brilhante e que se pode observar num dos braços menores do diagrama.  Chamam-lhe Becrux, ou Mimosa.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;No topo superior, podemos ver uma estrela avermelhada, denominada Rubídea. É, pela cor, uma estrela velha. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;Uma  interessante curiosidade desta constelação é que ela se encontra bem  próximo duma das que compõem a constelação de Centauro, a estrela mais  próxima de nós, a seguir ao Sol.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;E,  como se sabe, as estrelas do Cruzeiro do Sul (juntamente com outras),  estão representadas na bandeira do Brasil. Todas essas estrelas  representam os muitos Estados brasileiros.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #ffffcc; font-weight: bold; text-align: justify;"&gt;&lt;span style="font-size: 78%;"&gt;&lt;span style="font-weight: normal;"&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-weight: bold; text-align: justify;"&gt;&lt;span style="font-size: 78%;"&gt;&lt;span style="color: #ffcc00;"&gt;imagem Google&lt;/span&gt;&lt;/span&gt; &lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-5437572708759360873?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/5437572708759360873/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=5437572708759360873' title='6 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5437572708759360873'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5437572708759360873'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/04/o-cruzeiro-do-sul.html' title='O CRUZEIRO DO SUL'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/SYYuX2XyYdI/AAAAAAAABY4/n9WXd6eKEIc/s72-c/crux2.gif' height='72' width='72'/><thr:total>6</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7200347698496345430</id><published>2011-04-02T17:23:00.000-07:00</published><updated>2011-04-02T17:23:59.455-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='saturno'/><category scheme='http://www.blogger.com/atom/ns#' term='tien-sing'/><category scheme='http://www.blogger.com/atom/ns#' term='aéis de saturno'/><category scheme='http://www.blogger.com/atom/ns#' term='por isso'/><category scheme='http://www.blogger.com/atom/ns#' term='mitologia indiana'/><category scheme='http://www.blogger.com/atom/ns#' term='kronos'/><category scheme='http://www.blogger.com/atom/ns#' term='planeta eterno'/><title type='text'>SATURNO</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;br /&gt;&lt;a href="http://3.bp.blogspot.com/_gwiQZ4uXrnI/Sos5p1LWGLI/AAAAAAAAB1w/2br99lMRdps/s1600-h/saturn1.jpg"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5371450371381532850" src="http://3.bp.blogspot.com/_gwiQZ4uXrnI/Sos5p1LWGLI/AAAAAAAAB1w/2br99lMRdps/s400/saturn1.jpg" style="display: block; height: 303px; margin: 0px auto 10px; text-align: center; width: 390px;" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="color: #fff2cc;"&gt;.&lt;/div&gt;&lt;div class="MsoNormal" style="font-weight: bold; margin: 0cm 7.25pt 0.0001pt 12pt; text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="font-weight: bold; margin: 0cm 7.25pt 0.0001pt 12pt; text-align: justify;"&gt;&lt;span style="color: blue; font-size: 100%;"&gt;Os antigos atribuíam a este planeta uma grande importância celestial e divina.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="font-weight: bold; margin: 0cm 7.25pt 0.0001pt 12pt; text-align: justify;"&gt;&lt;span style="color: blue; font-size: 100%;"&gt;No  antigo Egipto, Saturno era “uma estrela geradora superior”, baptizada  de Hor-ka-ker. Na mitologia grega, Saturno figurava o deus Kronos, o  Tempo, e era o pai de Zeus. Para os assírios, tal como para os gregos,  Saturno era o deus do Tempo. Também era adorado na China, como o  “planeta eterno”, chamado Tien-Sing. Esta ideia de eternidade, ou  longínqua proveniência, estava igualmente patente na mitologia indiana,  onde era conhecido por “aquele que se move lentamente”. &lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="font-weight: bold; margin: 0cm 7.25pt 0.0001pt 12pt; text-align: justify;"&gt;&lt;span style="color: blue; font-size: 100%;"&gt;Sob  o ponto de vista astronómico, Saturno é um grande planeta gasoso, o  último possível de ver a olho nu, da corte que rodeia o Sol. Por isso, é  observado desde tempos imemoriais. A sua leve coloração amarelada e o  seu aspecto, assemelham-no a uma estrela de primeira grandeza.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="font-weight: bold; margin: 0cm 7.25pt 0.0001pt 12pt; text-align: justify;"&gt;&lt;span style="color: blue; font-size: 100%;"&gt;Só  em 1660 foi possível observá-lo melhor, depois de Galileu ter inventado  o telescópio, mas mesmo assim indistintamente, pois que o planeta está  rodeado de anéis e eles mudam regularmente a sua posição em relação ao  plano terrestre.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="font-weight: bold; margin: 0cm 7.25pt 0.0001pt 12pt; text-align: justify;"&gt;&lt;span style="color: blue; font-size: 100%;"&gt;É umas 600 vezes maior do que a Terra e é constituído quase totalmente por hidrogénio, tal como Júpiter e o próprio Sol. &lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7200347698496345430?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7200347698496345430/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7200347698496345430' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7200347698496345430'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7200347698496345430'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/04/saturno.html' title='SATURNO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_gwiQZ4uXrnI/Sos5p1LWGLI/AAAAAAAAB1w/2br99lMRdps/s72-c/saturn1.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8688509773293854176</id><published>2011-03-22T00:23:00.000-07:00</published><updated>2011-03-21T19:18:41.080-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='equinócio'/><category scheme='http://www.blogger.com/atom/ns#' term='Elíptica'/><category scheme='http://www.blogger.com/atom/ns#' term='plutão'/><title type='text'>OBSERVAR O CÉU</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;span style="color: #ffffcc;"&gt;:&lt;/span&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;b&gt;&lt;span style="color: #339999; font-family: georgia; font-size: large;"&gt;P&lt;/span&gt;&lt;span style="color: #339999; font-family: arial; font-size: large;"&gt;&lt;span style="color: #339999; font-family: georgia;"&gt;ara quem quer iniciar-se na astronomia, a primeira observação do céu deve ser feita durante o dia. Ao contrário do que poderá parecer, há muita coisa interessante a descobrir, desde o nascer do Sol até que ele se ponha.&lt;br /&gt;Vamos partir do princípio que os nossos observadores residem em zonas de latitudes médias, Portugal e Brasil.&lt;br /&gt;Podemos começar por verificar que os pontos onde o nosso astro rei desponta, a Oriente, vão mudando ao longo do ano. E, pela mesma ordem de razões, onde ele desaparece a Poente.&lt;br /&gt;E também se pode constatar que, no hemisfério norte, a trajectória (aparente) do sol vai subindo, a partir do equinócio de Março (equinócio: noites iguais - do latim). E ao contrário, no hemisfério sul.&lt;br /&gt;A consequência, é o aumento ou o encurtamento das horas de luz solar, ou da noite. No dia dos equinócios, a noite e o dia têm igual duração.&lt;br /&gt;Também será interessante constatar que o Sol e a Lua parecem descrever uma mesma trajectória (ou muito próxima), no céu. Isto deve-se ao facto de estarem - a Terra e a Lua -, a girar sobre planos muito aproximados. É quase como se tivéssemos três bolinhas (uma delas sendo o Sol), em cima duma mesa. Na verdade, todos os planetas estão aproximadamente no mesmo plano, e por isso parecem descrever idêntica trajectória, no céu. Exceptua-se Plutão, que cruza a órbita de Neptuno. E essa é uma das razões porque já não é considerado um planeta, além de, &lt;/span&gt;&lt;/span&gt;&lt;span style="color: #339999; font-family: arial; font-size: large;"&gt;&lt;span style="color: #339999; font-family: georgia;"&gt;recentemente,&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #339999; font-family: arial;"&gt;&lt;span style="color: #339999; font-family: georgia; font-size: large;"&gt; se ter compreendido&amp;nbsp; que faz parte da Cintura de Kuiper.&lt;br /&gt;Se for possível ver algum planeta ao cair do dia ou ao nascer do Sol, poderá verificar-se que eles também se encontram por ali, na mesma linha. Essa imaginária linha é a Elíptica&lt;/span&gt;. &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8688509773293854176?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8688509773293854176/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8688509773293854176' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8688509773293854176'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8688509773293854176'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2009/06/observar-o-ceu.html' title='OBSERVAR O CÉU'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5236129266333531435</id><published>2011-03-17T18:35:00.001-07:00</published><updated>2011-03-17T18:39:52.148-07:00</updated><title type='text'>APRESENTAÇÃO DE LIVRO EM S. PAULO</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;8º &amp;nbsp;SARAU POÉTICO DO BECO DOS POETAS&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #993300; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;20 de Março,&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #993300; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;das 10hs ás 12hs.&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #4f6228; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;Apresentação do livro&lt;/span&gt;&lt;/b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #fff2cc; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;- &lt;/span&gt;&lt;/b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #cc0000; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;“&lt;i&gt;POR DETRÁS DAS PALAVRAS&lt;/i&gt;”, &lt;/span&gt;&lt;/b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #cc0000; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #4f6228; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;(esgotado em Portugal)&lt;/span&gt;&lt;/b&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #4f6228; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;do poeta português Vieira Calado&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #fff2cc; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 14pt;"&gt;&amp;nbsp;-&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;E como sempre, é uma grande alegria&amp;nbsp;&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;ver você lendo ou declamando sua poesia,&amp;nbsp;&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;falando de suas conquistas literárias e compartilhando conosco.&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;Contamos com sua presença no&amp;nbsp;Dia 20 de Março,&amp;nbsp;&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;será um Domingo de alegria e muita Poesia,&amp;nbsp;&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: blue; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;&amp;nbsp;você não pode faltar!&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: yellow; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: #fff2cc; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;- &lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: white; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: maroon; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;CEU Caminho do Mar&lt;/span&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;; font-size: 12pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="background-color: white; border: medium none; line-height: normal; margin-bottom: 0.0001pt; padding: 0cm; text-align: center; text-indent: 0cm;"&gt;&lt;span style="-moz-background-clip: border; -moz-background-origin: padding; -moz-background-size: auto auto; background-attachment: scroll; background-image: none; background-position: 0% 0%; background-repeat: repeat; color: maroon; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;; font-size: 12pt;"&gt;Av. 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PAULO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3549119478110533003</id><published>2011-03-07T17:03:00.000-08:00</published><updated>2011-03-08T09:00:49.334-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='césio'/><category scheme='http://www.blogger.com/atom/ns#' term='super-novas'/><category scheme='http://www.blogger.com/atom/ns#' term='cobalto'/><category scheme='http://www.blogger.com/atom/ns#' term='prata'/><category scheme='http://www.blogger.com/atom/ns#' term='Anaximandro'/><category scheme='http://www.blogger.com/atom/ns#' term='estrôncio'/><category scheme='http://www.blogger.com/atom/ns#' term='Lap-Tamo'/><category scheme='http://www.blogger.com/atom/ns#' term='Brama'/><category scheme='http://www.blogger.com/atom/ns#' term='holoptychius'/><category scheme='http://www.blogger.com/atom/ns#' term='zinco'/><category scheme='http://www.blogger.com/atom/ns#' term='Tau Ceti'/><category scheme='http://www.blogger.com/atom/ns#' term='Caos'/><category scheme='http://www.blogger.com/atom/ns#' term='paládio'/><category scheme='http://www.blogger.com/atom/ns#' term='platina'/><category scheme='http://www.blogger.com/atom/ns#' term='cleyera ochancea'/><category scheme='http://www.blogger.com/atom/ns#' term='molibdénio'/><category scheme='http://www.blogger.com/atom/ns#' term='xénon'/><category scheme='http://www.blogger.com/atom/ns#' term='selénio'/><category scheme='http://www.blogger.com/atom/ns#' term='crípton'/><title type='text'>SUPER-NOVAS</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;div style="color: red; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; text-align: center;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Hoje, para variar,&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="color: red; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; text-align: center;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt; vai um extracto do meu livro de ficção extraterrestre "&lt;i&gt;Eram Dinossauros&lt;/i&gt;",&amp;nbsp;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="color: red; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif; text-align: center;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;onde aparece&amp;nbsp; uma descrição&amp;nbsp;&lt;/b&gt;&lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;romanceada&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;do que é uma super-nova.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="color: red; font-family: &amp;quot;Helvetica Neue&amp;quot;,Arial,Helvetica,sans-serif;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #fff2cc;"&gt;-&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormalIndent" style="margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: 11pt;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormalIndent" style="color: blue; margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;A implosão duma gigante é um acontecimento apocaliptíco, como Zstst frisara. Nada se lhe compara, em violência. É como se a estrela, à beira da morte irredutível, gritasse a vacuidade de ter vivido, o fim anunciado de todas as veleidades, num inferno de desespero, até à consumação do tempo. Mas a morte violenta duma estrela, é também o lodo de que Anaximandro diz ter sido feita a Vida numa infinidade de mundos donde evoluirão os homens que somos, a majestosa e mítica &lt;i&gt;cleyera ochancea&lt;/i&gt;, o Lap-Tamo que, em tempos remotos, veio trazer frutos capitosos ao povo da Nova Guiné, o &lt;i&gt;holoptychiu&lt;/i&gt;s do planeta biológico de Baleia, ou a hiperexótica &lt;i&gt;ichthyostega&lt;/i&gt; sideral, cor de prata, dos lagos gelados do pulsar do Caranguejo.&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormalIndent" style="color: blue; margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Uma supernova é como se fosse um &lt;i&gt;Big Bang&lt;/i&gt;, em miniatura. Mas mesmo assim suficiente para anunciar a Ressurreição. O calor e as forças reinantes no interior duma tal estrela, são quase infinitas – ou infinitas, mesmo!...–, se considerarmos a nossa pequenez, a dimensão das nossas vidas. O estertor final duma estrela agonizante anuncia o Caos e o Brama, a ressurreição de todos os elementos do Cosmos; e é esse adeus à vida, feito de pressões e temperaturas inimagináveis, que sintetiza os metais pesados. Eles são a utopia de todas as conquistas, com que mais tarde se há-de chegar à tecnologia e aos outros planetas das estrelas, e que fazem a balbúrdia das nossas vidas: &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormalIndent" style="color: blue; margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;A prata e a platina; o chumbo, que os Romanos utilizavam para moldar em barro, a eternidade, no bronze das estátuas; o zinco; o cobalto tido como génio maléfico na mitologia germânica; o gálio que lembra o alumínio; o bismuto e o selénio, para fazer electricidade em pó; o níquel comum; o esguio mercúrio, com que Lavoisier concluiu que nada se cria, nada se perde; o estanho da lata; o cobre, para fazer tachos, fios, anéis de ouro, hélices, amuletos, moedas, cataplanas, alambiques, bugigangas; o cádmio, amante de neutrões lentos;&amp;nbsp; o estrôncio, primo do cálcio, que serve para pouco, a não ser para dar cabo dos ossos das criancinhas, em Hiroshima, ou no atol de Mororoa; o césio, pior ainda, maldito até à última geração; as luzes coloridas do crípton e do xénon; o zinco, das pilhas de Volta, e que, em menino, vi dar hidrogénio, em laboratório; o tântalo e o háfnio; o irídio, do museu de Sèvres e da fronteira C.T., onde se afogaram os dinossauros terrestres; o lantâneo, o cério, o neodínio, o promécio, o samário, o európio, o galodínio, o holmo, o túlio, o lutécio, que lembram os frutos exóticos de &lt;i&gt;Tau Ceti&lt;/i&gt;; o paládio, que Pons julgou descobrir a pólvora; o ouro, da máscara de Toutakanon; o molibdénio, das lâmpadas e das rótulas; o térbio, com que se espera ir à Andrómeda pelo hiper-espaço; o tungsténio e o ósmio, e os outros todos, até ao urânio, na tábua de Mendlief, sintetizados no estertor final da gigante.&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormalIndent" style="color: blue; margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Tempo das estrelas e tempo dos átomos, este tempo cósmico onde vivemos a nossa vida! Ciclo macroscópico feito de pequenos nadas!&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #fff2cc; font-size: xx-small;"&gt;- &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormalIndent" style="color: blue; margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Somos efectivamente feitos do pó das estrelas!&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;&lt;div style="color: #fff2cc; text-align: justify;"&gt;&lt;span style="font-size: xx-small;"&gt;&lt;b&gt;- &lt;/b&gt;&lt;/span&gt;  &lt;/div&gt;&lt;div class="MsoNormalIndent" style="margin: 0cm 17.3pt 0.0001pt 0cm; text-align: justify; text-indent: 18pt;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;Ou: "...&lt;i&gt; como o climax fugaz que conduz o sémen redentor! &lt;/i&gt;" – na versão de Zstst, procurando trazer de novo, o discurso, ao tema que ali os reunira: "&lt;i&gt;Do protoplasma às ondas-rádio&lt;/i&gt;".&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="color: #fff2cc;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;&lt;span style="color: #660000;"&gt;Nota do autor: Zstst (um dinossauro dum planeta distante)&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;&lt;span style="color: #660000;"&gt;é uma das principais personagens de&amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: #660000;"&gt;&lt;span style="color: #274e13;"&gt;"&lt;/span&gt;&lt;i style="color: #274e13;"&gt;ERAM DINOSSAUROS&lt;/i&gt;&lt;span style="color: #274e13;"&gt;",&lt;/span&gt;&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;span style="font-size: small;"&gt;&lt;b&gt;&lt;span style="color: #660000;"&gt;(a publicar).&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-3549119478110533003?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/3549119478110533003/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=3549119478110533003' title='6 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3549119478110533003'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3549119478110533003'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/03/super-novas.html' title='SUPER-NOVAS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>6</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7703956777638436408</id><published>2011-03-01T23:36:00.000-08:00</published><updated>2011-03-01T15:43:13.367-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ério'/><category scheme='http://www.blogger.com/atom/ns#' term='unidade astronómica'/><category scheme='http://www.blogger.com/atom/ns#' term='óbitas elípticas'/><category scheme='http://www.blogger.com/atom/ns#' term='órbitas hiperbólicas'/><category scheme='http://www.blogger.com/atom/ns#' term='Kuiper'/><category scheme='http://www.blogger.com/atom/ns#' term='bolas de gelo sujo'/><category scheme='http://www.blogger.com/atom/ns#' term='Varema'/><category scheme='http://www.blogger.com/atom/ns#' term='objectos transneptunianos'/><title type='text'>A  CINTURA  DE  KUIPER</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;div align="justify"&gt;&lt;span style="color: white;"&gt;..&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color: #cc9933;"&gt;&lt;b&gt;&lt;span style="color: red; font-size: large;"&gt;Para além da órbita de Neptuno, entre as 30 e as 50 u.a. (unidades astronómicas)*, há uma enormidade de pequenos corpos que volteiam o Sol, formando uma espécie de cintura a que deram o nome de Cintura de Kuiper. O primeiro desses corpos a ser descoberto foi Plutão que, como se sabe, foi recentemente despromovido da sua condição de planeta, para ser considerado um elemento da referida cintura.&lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;br style="color: red;" /&gt;&lt;/span&gt;&lt;span style="color: red; font-size: large;"&gt; Ainda Plutão era considerado planeta, descobriram o (então primeiro) objecto da cintura que o astrónomo Kuiper propusera. Baptizaram-no de 1992 QB1, no ano aí referenciado. De lá para cá, já foram catalogados uns mil ou mais desses objectos transneptunianos. Os maiores têm diâmetros que ultrapassam os mil quilómetros, como é o caso do próprio Plutão, e de Ério e Varema, entre outros.&lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;br style="color: red;" /&gt;&lt;/span&gt;&lt;span style="color: red; font-size: large;"&gt; Estes pequenos corpos são geralmente descritos como “&lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;i style="color: red;"&gt;bolas de gelo sujo&lt;/i&gt;&lt;/span&gt;&lt;span style="color: red; font-size: large;"&gt;” e podem constituir-se em cometas, sempre que sujeitos a certos desiquilíbrios gravíticos, ao se chegarem próximo das órbitas de Neptuno ou Júpiter. Mas também podem sofrer impulsos que levem as suas órbitas a passarem de elípticas a hiperbólicas, sendo projectados para fora do Sistema Solar ou a só regressar às imediações do Sol, mil ou mais anos depois.&lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;br style="color: red;" /&gt;&lt;/span&gt;&lt;span style="color: red; font-size: large;"&gt; Calcula-se que a massa total dos corpos que constituem a referida cintura, não exceda um décimo da massa da Terra.&lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;br style="color: red;" /&gt;&lt;/span&gt;&lt;span style="color: red; font-size: large;"&gt; Mas o seu conhecimento é da maior importância, porque essas &lt;/span&gt;&lt;span style="font-size: large;"&gt;&lt;i style="color: red;"&gt;bolas de gelo sujo&lt;/i&gt;&lt;/span&gt;&lt;span style="color: red; font-size: large;"&gt; se mantêm, provavelmente, como eram quando se formou o Sistema Solar, vai para 4.500 milhões de anos. O seu estudo permitirá perceber melhor o modo como o Sistema Solar se formou, com todas os conhecimentos científicos que daí advêm.&lt;/span&gt;&lt;br style="color: red;" /&gt; &lt;br /&gt;&lt;/b&gt;&lt;span style="color: #073763;"&gt;* &lt;/span&gt;&lt;span style="color: #073763; font-size: 85%;"&gt;1 u.a. são cento e cinquenta milhões de quilómetros, a distância Terra/Sol.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7703956777638436408?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7703956777638436408/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7703956777638436408' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7703956777638436408'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7703956777638436408'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2007/05/cintura-de-kuiper.html' title='A  CINTURA  DE  KUIPER'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-755053254573533551</id><published>2011-02-22T16:47:00.000-08:00</published><updated>2011-02-22T16:47:23.358-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='datação de rochas'/><category scheme='http://www.blogger.com/atom/ns#' term='idade da Terra'/><category scheme='http://www.blogger.com/atom/ns#' term='meteoritos'/><category scheme='http://www.blogger.com/atom/ns#' term='astrogeologia'/><category scheme='http://www.blogger.com/atom/ns#' term='idade do Sol'/><title type='text'>A IDADE DA TERRA</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0cm; text-align:justify; text-indent:14.2pt; line-height:12.0pt; mso-line-height-rule:exactly; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}&lt;/style&gt; &lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapedefaults v:ext="edit" spidmax="1026"/&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapelayout v:ext="edit"&gt;   &lt;o:idmap v:ext="edit" data="1"/&gt;  &lt;/o:shapelayout&gt;&lt;/xml&gt;&lt;![endif]--&gt;  &lt;br /&gt;&lt;div class="MsoNoSpacing" style="color: #fff2cc; text-align: justify;"&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;.&lt;b&gt;&lt;br style="color: blue;" /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: blue; text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: blue; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Uma das questões que sempre tem preocupado os grandes pensadores, é o de saber a idade da Terra. &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: blue; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;É célebre o documento de 1650, produzido por um tal arcebispo Hussher, onde era deduzida a idade da Terra, baseada na Bíblia e textos afins. &lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: blue; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;a href="http://2.bp.blogspot.com/-z4zKqD7uhRw/TWRYQei35SI/AAAAAAAACv0/mv0YWG0iBlw/s1600/Terra.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="400" src="http://2.bp.blogspot.com/-z4zKqD7uhRw/TWRYQei35SI/AAAAAAAACv0/mv0YWG0iBlw/s400/Terra.jpg" width="400" /&gt;&lt;/a&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;De acordo com a Bíblia, Deus criou o primeiro homem, Adão, ao sexto dia da existência da Terra, também por ele criada. Tendo levado em linha de conta as gerações descritas no Génesis, de Adão até Abraão, calculou a idade da Terra, em &lt;/span&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;5610 anos, até à data da publicação do escrito.&lt;/span&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt; E concluía que Deus tinha feito o nosso planeta no dia 26 de Outubro de 4004 a. C., às nove da manhã!&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: blue; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Mas nesse tempo não era possível abordar a questão sob um ponto de vista científico, baseado na geologia, na tectónica das placas e no método de datação das rochas por intermédio das características dos minerais radioactivos.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="color: blue; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Muito menos na astrogeologia&lt;/span&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;, que permite analisar meteoritos provenientes de várias regiões do Sistema Solar e compará-los com as rochas do nosso planeta.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNoSpacing" style="text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;&lt;span style="color: blue; font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;Assim, os estudos levaram a concluir que a Terra deva ter cerca de 4,6 mil milhões de anos de existência, apenas um pouco menos do que a idade do Sol.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;span style="font-family: &amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-755053254573533551?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/755053254573533551/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=755053254573533551' title='3 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/755053254573533551'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/755053254573533551'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/02/idade-da-terra.html' title='A IDADE DA TERRA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/-z4zKqD7uhRw/TWRYQei35SI/AAAAAAAACv0/mv0YWG0iBlw/s72-c/Terra.jpg' height='72' width='72'/><thr:total>3</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3503247410852821919</id><published>2011-02-13T07:45:00.000-08:00</published><updated>2011-02-13T07:46:53.772-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='galileu'/><category scheme='http://www.blogger.com/atom/ns#' term='montanhas da lua'/><category scheme='http://www.blogger.com/atom/ns#' term='aparelho óptico'/><category scheme='http://www.blogger.com/atom/ns#' term='Copérnico'/><category scheme='http://www.blogger.com/atom/ns#' term='heliocentrismo'/><category scheme='http://www.blogger.com/atom/ns#' term='crateras da lua'/><title type='text'>GALILEU GALILEI</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-bCqM1mA2eNA/TVf7piun8qI/AAAAAAAACvw/NftZ9B71Erk/s1600/thumbnail.aspx.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="336" src="http://3.bp.blogspot.com/-bCqM1mA2eNA/TVf7piun8qI/AAAAAAAACvw/NftZ9B71Erk/s400/thumbnail.aspx.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;imagem google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;b&gt;&lt;span style="color: #006600;"&gt;A  primeira luneta astronómica de que há memória, foi construída por  Galileu Galilei.&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;b&gt;&lt;span style="color: #006600;"&gt;Tratava-se dum aparelho óptico rudimentar, que pode ser  considerado o percursor dos modernos telescópios. O mês de Janeiro de  1604 ficou para a história da astronomia, como a data em que, através  dela, o célebre sábio de Florença descobriu as quatro mais importantes  luas de Júpiter – Io, Europa, Ganimedes e Calisto, por ordem de  proximidade ao planeta. Também foi ele o primeiro a provar a realidade  do sistema heliocêntrico (que tinha sido proposto por Copérnico),  refutando a antiga crença de que a Terra era o centro do Sistema Solar e  do Universo. Para além disto, nos domínios da astronomia –, foi ele o  primeiro a observar e calcular a altura das montanhas da Lua,  baseando-se nas sombras que o Sol projecta nas suas crateras, e a  verificar a existência de fases, no planeta Vénus, à imagem do que se  passa com as conhecidas fases do nosso satélite natural. O céu que  observara através da luneta, também lhe permitiu concluir que a Via  Láctea não era uma nuvem (como até aí se julgava), mas sim um enorme  conjunto de estrelas, a galáxia de que o Sol faz parte.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;b&gt;&lt;span style="color: #006600;"&gt;Hoje sabe-se que esse número é superior a duzentas mil milhões (200. 000. 000. 000).&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-3503247410852821919?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/3503247410852821919/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=3503247410852821919' title='6 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3503247410852821919'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3503247410852821919'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/02/galileu-galilei.html' title='GALILEU GALILEI'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/-bCqM1mA2eNA/TVf7piun8qI/AAAAAAAACvw/NftZ9B71Erk/s72-c/thumbnail.aspx.jpg' height='72' width='72'/><thr:total>6</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3069133208044158669</id><published>2011-02-01T12:31:00.000-08:00</published><updated>2011-02-01T12:31:25.227-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='idade do universo'/><category scheme='http://www.blogger.com/atom/ns#' term='Webb'/><category scheme='http://www.blogger.com/atom/ns#' term='a mais antiga galáxia'/><category scheme='http://www.blogger.com/atom/ns#' term='infravermelhos'/><title type='text'>a galáxia mais antiga</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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  &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" UnhideWhenUsed="false" Name="Revision"/&gt;   &lt;w:LsdException Locked="false" Priority="34" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="List Paragraph"/&gt;   &lt;w:LsdException Locked="false" Priority="29" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Quote"/&gt;   &lt;w:LsdException Locked="false" Priority="30" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Quote"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="19" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="21" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="31" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="32" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="33" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Book Title"/&gt;   &lt;w:LsdException Locked="false" Priority="37" Name="Bibliography"/&gt;   &lt;w:LsdException Locked="false" Priority="39" QFormat="true" Name="TOC Heading"/&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt; /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}&lt;/style&gt; &lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapedefaults v:ext="edit" spidmax="1026"/&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapelayout v:ext="edit"&gt;   &lt;o:idmap v:ext="edit" data="1"/&gt;  &lt;/o:shapelayout&gt;&lt;/xml&gt;&lt;![endif]--&gt;  &lt;br /&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:OfficeDocumentSettings&gt;   &lt;o:RelyOnVML/&gt;   &lt;o:AllowPNG/&gt;  &lt;/o:OfficeDocumentSettings&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:WordDocument&gt;   &lt;w:View&gt;Normal&lt;/w:View&gt;   &lt;w:Zoom&gt;0&lt;/w:Zoom&gt;   &lt;w:TrackMoves/&gt;   &lt;w:TrackFormatting/&gt;   &lt;w:DoNotShowRevisions/&gt;   &lt;w:DoNotPrintRevisions/&gt;   &lt;w:DoNotShowInsertionsAndDeletions/&gt;   &lt;w:DoNotShowPropertyChanges/&gt;   &lt;w:HyphenationZone&gt;21&lt;/w:HyphenationZone&gt;   &lt;w:PunctuationKerning/&gt;   &lt;w:ValidateAgainstSchemas/&gt;   &lt;w:SaveIfXMLInvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt;   &lt;w:IgnoreMixedContent&gt;false&lt;/w:IgnoreMixedContent&gt;   &lt;w:AlwaysShowPlaceholderText&gt;false&lt;/w:AlwaysShowPlaceholderText&gt;   &lt;w:DoNotPromoteQF/&gt;   &lt;w:LidThemeOther&gt;PT&lt;/w:LidThemeOther&gt;   &lt;w:LidThemeAsian&gt;X-NONE&lt;/w:LidThemeAsian&gt;   &lt;w:LidThemeComplexScript&gt;X-NONE&lt;/w:LidThemeComplexScript&gt;   &lt;w:Compatibility&gt;    &lt;w:BreakWrappedTables/&gt;    &lt;w:SnapToGridInCell/&gt;    &lt;w:WrapTextWithPunct/&gt;    &lt;w:UseAsianBreakRules/&gt;    &lt;w:DontGrowAutofit/&gt;    &lt;w:SplitPgBreakAndParaMark/&gt;    &lt;w:DontVertAlignCellWithSp/&gt;    &lt;w:DontBreakConstrainedForcedTables/&gt;    &lt;w:DontVertAlignInTxbx/&gt;    &lt;w:Word11KerningPairs/&gt;    &lt;w:CachedColBalance/&gt;   &lt;/w:Compatibility&gt;   &lt;m:mathPr&gt;    &lt;m:mathFont m:val="Cambria Math"/&gt;    &lt;m:brkBin m:val="before"/&gt;    &lt;m:brkBinSub m:val="&amp;#45;-"/&gt;    &lt;m:smallFrac m:val="off"/&gt;    &lt;m:dispDef/&gt;    &lt;m:lMargin m:val="0"/&gt;    &lt;m:rMargin m:val="0"/&gt;    &lt;m:defJc m:val="centerGroup"/&gt;    &lt;m:wrapIndent m:val="1440"/&gt;    &lt;m:intLim m:val="subSup"/&gt;    &lt;m:naryLim m:val="undOvr"/&gt;   &lt;/m:mathPr&gt;&lt;/w:WordDocument&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true"  DefSemiHidden="true" DefQFormat="false" DefPriority="99"  LatentStyleCount="267"&gt;   &lt;w:LsdException Locked="false" Priority="0" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Normal"/&gt;   &lt;w:LsdException Locked="false" Priority="9" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="heading 1"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 2"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 3"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 4"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 5"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 6"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 7"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 8"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 9"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 1"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 2"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 3"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 4"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 5"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 6"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 7"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 8"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 9"/&gt;   &lt;w:LsdException Locked="false" Priority="35" QFormat="true" Name="caption"/&gt;   &lt;w:LsdException Locked="false" Priority="10" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Title"/&gt;   &lt;w:LsdException Locked="false" Priority="1" Name="Default Paragraph Font"/&gt;   &lt;w:LsdException Locked="false" Priority="11" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtitle"/&gt;   &lt;w:LsdException Locked="false" Priority="22" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Strong"/&gt;   &lt;w:LsdException Locked="false" Priority="20" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="59" SemiHidden="false"   UnhideWhenUsed="false" Name="Table Grid"/&gt;   &lt;w:LsdException Locked="false" UnhideWhenUsed="false" Name="Placeholder Text"/&gt;   &lt;w:LsdException Locked="false" Priority="1" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="No Spacing"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" UnhideWhenUsed="false" Name="Revision"/&gt;   &lt;w:LsdException Locked="false" Priority="34" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="List Paragraph"/&gt;   &lt;w:LsdException Locked="false" Priority="29" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Quote"/&gt;   &lt;w:LsdException Locked="false" Priority="30" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Quote"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="19" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="21" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="31" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="32" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="33" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Book Title"/&gt;   &lt;w:LsdException Locked="false" Priority="37" Name="Bibliography"/&gt;   &lt;w:LsdException Locked="false" Priority="39" QFormat="true" Name="TOC Heading"/&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt; /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0cm; text-align:justify; text-indent:14.2pt; line-height:12.0pt; mso-line-height-rule:exactly; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}&lt;/style&gt; &lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapedefaults v:ext="edit" spidmax="1026"/&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapelayout v:ext="edit"&gt;   &lt;o:idmap v:ext="edit" data="1"/&gt;  &lt;/o:shapelayout&gt;&lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:OfficeDocumentSettings&gt;   &lt;o:RelyOnVML/&gt;   &lt;o:AllowPNG/&gt;  &lt;/o:OfficeDocumentSettings&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:WordDocument&gt;   &lt;w:View&gt;Normal&lt;/w:View&gt;   &lt;w:Zoom&gt;0&lt;/w:Zoom&gt;   &lt;w:TrackMoves/&gt;   &lt;w:TrackFormatting/&gt;   &lt;w:DoNotShowRevisions/&gt;   &lt;w:DoNotPrintRevisions/&gt;   &lt;w:DoNotShowInsertionsAndDeletions/&gt;   &lt;w:DoNotShowPropertyChanges/&gt;   &lt;w:HyphenationZone&gt;21&lt;/w:HyphenationZone&gt;   &lt;w:PunctuationKerning/&gt;   &lt;w:ValidateAgainstSchemas/&gt;   &lt;w:SaveIfXMLInvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt;   &lt;w:IgnoreMixedContent&gt;false&lt;/w:IgnoreMixedContent&gt;   &lt;w:AlwaysShowPlaceholderText&gt;false&lt;/w:AlwaysShowPlaceholderText&gt;   &lt;w:DoNotPromoteQF/&gt;   &lt;w:LidThemeOther&gt;PT&lt;/w:LidThemeOther&gt;   &lt;w:LidThemeAsian&gt;X-NONE&lt;/w:LidThemeAsian&gt;   &lt;w:LidThemeComplexScript&gt;X-NONE&lt;/w:LidThemeComplexScript&gt;   &lt;w:Compatibility&gt;    &lt;w:BreakWrappedTables/&gt;    &lt;w:SnapToGridInCell/&gt;    &lt;w:WrapTextWithPunct/&gt;    &lt;w:UseAsianBreakRules/&gt;    &lt;w:DontGrowAutofit/&gt;    &lt;w:SplitPgBreakAndParaMark/&gt;    &lt;w:DontVertAlignCellWithSp/&gt;    &lt;w:DontBreakConstrainedForcedTables/&gt;    &lt;w:DontVertAlignInTxbx/&gt;    &lt;w:Word11KerningPairs/&gt;    &lt;w:CachedColBalance/&gt;   &lt;/w:Compatibility&gt;   &lt;m:mathPr&gt;    &lt;m:mathFont m:val="Cambria Math"/&gt;    &lt;m:brkBin m:val="before"/&gt;    &lt;m:brkBinSub m:val="&amp;#45;-"/&gt;    &lt;m:smallFrac m:val="off"/&gt;    &lt;m:dispDef/&gt;    &lt;m:lMargin m:val="0"/&gt;    &lt;m:rMargin m:val="0"/&gt;    &lt;m:defJc m:val="centerGroup"/&gt;    &lt;m:wrapIndent m:val="1440"/&gt;    &lt;m:intLim m:val="subSup"/&gt;    &lt;m:naryLim m:val="undOvr"/&gt;   &lt;/m:mathPr&gt;&lt;/w:WordDocument&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true"  DefSemiHidden="true" DefQFormat="false" DefPriority="99"  LatentStyleCount="267"&gt;   &lt;w:LsdException Locked="false" Priority="0" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Normal"/&gt;   &lt;w:LsdException Locked="false" Priority="9" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="heading 1"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 2"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 3"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 4"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 5"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 6"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 7"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 8"/&gt;   &lt;w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 9"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 1"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 2"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 3"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 4"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 5"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 6"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 7"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 8"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 9"/&gt;   &lt;w:LsdException Locked="false" Priority="35" QFormat="true" Name="caption"/&gt;   &lt;w:LsdException Locked="false" Priority="10" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Title"/&gt;   &lt;w:LsdException Locked="false" Priority="1" Name="Default Paragraph Font"/&gt;   &lt;w:LsdException Locked="false" Priority="11" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtitle"/&gt;   &lt;w:LsdException Locked="false" Priority="22" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Strong"/&gt;   &lt;w:LsdException Locked="false" Priority="20" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Emphasis"/&gt; 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text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;Depois do Big Bang, que se julga ter acontecido há cerca de 13,7 mil milhões de anos, começaram a formar-se as estrelas e as galáxias, embora ainda não se saiba ao certo, quando isso começou a acontecer.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #990000;"&gt;  &lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;No entanto, surge agora a notícia da descoberta duma galáxia existente desde uns 480 milhões de anos, depois do começo do nosso actual universo – a mais antiga até agora detectada. A imagem que nos chega, é a de como ela era, nesse tempo.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #990000; text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;A descoberta foi realizada utilizando uma câmara de infravermelhos.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #990000; text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;O que os astrónomos procuram, neste momento, é saber o que aconteceu no período de formação desses primeiros objectos, ou seja, nos primeiros 500 milhões de anos da existência do universo.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #990000; text-align: justify;"&gt;  &lt;/div&gt;&lt;div class="MsoNormal" style="color: #990000; text-align: justify; text-indent: 0cm;"&gt;&lt;b&gt;Isso virá a ser possível quando entrar em operações um novo telescópio espacial, o Webb, em 2014, que irá substituir o Hubble.&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-3069133208044158669?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/3069133208044158669/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=3069133208044158669' title='8 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3069133208044158669'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/3069133208044158669'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/02/galaxia-mais-antiga.html' title='a galáxia mais antiga'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>8</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-6190600339471869972</id><published>2011-01-27T18:51:00.000-08:00</published><updated>2011-01-27T18:51:19.416-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='grupo Local'/><category scheme='http://www.blogger.com/atom/ns#' term='primeira volta ao Mundo'/><category scheme='http://www.blogger.com/atom/ns#' term='tipos de estrelas'/><category scheme='http://www.blogger.com/atom/ns#' term='galáxia dragão'/><category scheme='http://www.blogger.com/atom/ns#' term='Nuvens da Magalhães'/><category scheme='http://www.blogger.com/atom/ns#' term='Fernão de Magalhães'/><title type='text'>A NOSSA GALÁXIA</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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  &lt;w:LsdException Locked="false" Priority="39" Name="toc 2"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 3"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 4"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 5"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 6"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 7"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 8"/&gt;   &lt;w:LsdException Locked="false" Priority="39" Name="toc 9"/&gt;   &lt;w:LsdException Locked="false" Priority="35" QFormat="true" Name="caption"/&gt;   &lt;w:LsdException Locked="false" Priority="10" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Title"/&gt;   &lt;w:LsdException Locked="false" Priority="1" Name="Default Paragraph Font"/&gt;   &lt;w:LsdException Locked="false" Priority="11" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtitle"/&gt;   &lt;w:LsdException Locked="false" Priority="22" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Strong"/&gt;   &lt;w:LsdException Locked="false" Priority="20" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="59" SemiHidden="false"   UnhideWhenUsed="false" Name="Table Grid"/&gt;   &lt;w:LsdException Locked="false" UnhideWhenUsed="false" Name="Placeholder Text"/&gt;   &lt;w:LsdException Locked="false" Priority="1" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="No Spacing"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" UnhideWhenUsed="false" Name="Revision"/&gt;   &lt;w:LsdException Locked="false" Priority="34" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="List Paragraph"/&gt;   &lt;w:LsdException Locked="false" Priority="29" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Quote"/&gt;   &lt;w:LsdException Locked="false" Priority="30" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Quote"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 1"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 2"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 3"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 4"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 5"/&gt;   &lt;w:LsdException Locked="false" Priority="60" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Shading Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="61" SemiHidden="false"   UnhideWhenUsed="false" Name="Light List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="62" SemiHidden="false"   UnhideWhenUsed="false" Name="Light Grid Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="63" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="64" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Shading 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="65" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="66" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium List 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="67" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 1 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="68" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 2 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="69" SemiHidden="false"   UnhideWhenUsed="false" Name="Medium Grid 3 Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="70" SemiHidden="false"   UnhideWhenUsed="false" Name="Dark List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="71" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Shading Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="72" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful List Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="73" SemiHidden="false"   UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/&gt;   &lt;w:LsdException Locked="false" Priority="19" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="21" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/&gt;   &lt;w:LsdException Locked="false" Priority="31" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="32" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="33" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Book Title"/&gt;   &lt;w:LsdException Locked="false" Priority="37" Name="Bibliography"/&gt;   &lt;w:LsdException Locked="false" Priority="39" QFormat="true" Name="TOC Heading"/&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt; /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}&lt;/style&gt; &lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapedefaults v:ext="edit" spidmax="1026"/&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapelayout v:ext="edit"&gt;   &lt;o:idmap v:ext="edit" data="1"/&gt;  &lt;/o:shapelayout&gt;&lt;/xml&gt;&lt;![endif]--&gt;  &lt;br /&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:OfficeDocumentSettings&gt;   &lt;o:RelyOnVML/&gt;   &lt;o:AllowPNG/&gt;  &lt;/o:OfficeDocumentSettings&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:WordDocument&gt;   &lt;w:View&gt;Normal&lt;/w:View&gt;   &lt;w:Zoom&gt;0&lt;/w:Zoom&gt;   &lt;w:TrackMoves/&gt;   &lt;w:TrackFormatting/&gt;   &lt;w:DoNotShowRevisions/&gt;   &lt;w:DoNotPrintRevisions/&gt;   &lt;w:DoNotShowInsertionsAndDeletions/&gt;   &lt;w:DoNotShowPropertyChanges/&gt;   &lt;w:HyphenationZone&gt;21&lt;/w:HyphenationZone&gt;   &lt;w:PunctuationKerning/&gt;   &lt;w:ValidateAgainstSchemas/&gt;   &lt;w:SaveIfXMLInvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt;   &lt;w:IgnoreMixedContent&gt;false&lt;/w:IgnoreMixedContent&gt;   &lt;w:AlwaysShowPlaceholderText&gt;false&lt;/w:AlwaysShowPlaceholderText&gt;   &lt;w:DoNotPromoteQF/&gt;   &lt;w:LidThemeOther&gt;PT&lt;/w:LidThemeOther&gt;   &lt;w:LidThemeAsian&gt;X-NONE&lt;/w:LidThemeAsian&gt;   &lt;w:LidThemeComplexScript&gt;X-NONE&lt;/w:LidThemeComplexScript&gt;   &lt;w:Compatibility&gt;    &lt;w:BreakWrappedTables/&gt;    &lt;w:SnapToGridInCell/&gt;    &lt;w:WrapTextWithPunct/&gt;    &lt;w:UseAsianBreakRules/&gt;    &lt;w:DontGrowAutofit/&gt;    &lt;w:SplitPgBreakAndParaMark/&gt;    &lt;w:DontVertAlignCellWithSp/&gt;    &lt;w:DontBreakConstrainedForcedTables/&gt;    &lt;w:DontVertAlignInTxbx/&gt;    &lt;w:Word11KerningPairs/&gt;    &lt;w:CachedColBalance/&gt;   &lt;/w:Compatibility&gt;   &lt;m:mathPr&gt;    &lt;m:mathFont m:val="Cambria Math"/&gt;    &lt;m:brkBin m:val="before"/&gt;    &lt;m:brkBinSub m:val="&amp;#45;-"/&gt;    &lt;m:smallFrac m:val="off"/&gt;    &lt;m:dispDef/&gt;    &lt;m:lMargin m:val="0"/&gt;    &lt;m:rMargin m:val="0"/&gt;    &lt;m:defJc m:val="centerGroup"/&gt;    &lt;m:wrapIndent m:val="1440"/&gt;    &lt;m:intLim m:val="subSup"/&gt;    &lt;m:naryLim m:val="undOvr"/&gt;   &lt;/m:mathPr&gt;&lt;/w:WordDocument&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true"  DefSemiHidden="true" DefQFormat="false" DefPriority="99"  LatentStyleCount="267"&gt;   &lt;w:LsdException Locked="false" Priority="0" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Normal"/&gt; 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  &lt;w:LsdException Locked="false" Priority="31" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="32" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/&gt;   &lt;w:LsdException Locked="false" Priority="33" SemiHidden="false"   UnhideWhenUsed="false" QFormat="true" Name="Book Title"/&gt;   &lt;w:LsdException Locked="false" Priority="37" Name="Bibliography"/&gt;   &lt;w:LsdException Locked="false" Priority="39" QFormat="true" Name="TOC Heading"/&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt; /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0cm; text-align:justify; text-indent:14.2pt; line-height:12.0pt; mso-line-height-rule:exactly; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}&lt;/style&gt; &lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapedefaults v:ext="edit" spidmax="1026"/&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:shapelayout v:ext="edit"&gt;   &lt;o:idmap v:ext="edit" data="1"/&gt;  &lt;/o:shapelayout&gt;&lt;/xml&gt;&lt;![endif]--&gt;  &lt;div class="MsoNormal" style="color: #073763; margin: 0cm 29.7pt 0.0001pt 1cm; text-align: justify;"&gt;A nossa galáxia é apenas uma das miríades outras, do nosso Universo. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin: 0cm 29.7pt 0.0001pt 1cm; text-align: justify;"&gt;Pelo essencial, se considerarmos os diversos astros de que são constituídas, todas são idênticas. Cada uma delas tem milhares de milhões de estrelas de variados tipos. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin: 0cm 29.7pt 0.0001pt 1cm; text-align: justify;"&gt;Porém, as suas configurações podem ser bem diferentes. A Via Láctea e a Andrómeda, por exemplo, fazem lembrar um disco das competições desportivas, sendo os seus bordos notoriamente em espiral, como se o conjunto se estivesse a esfrangalhar nesses limites. Outras há que são esféricas, elípticas, lenticulares, ou irregulares. A Via Láctea faz parte dum grupo dumas trinta galáxias, a que se chama o Grupo Local. Além dela, as mais importantes são a Andrómeda e o Triângulo, todas espirais. Por sua vez, como sucede com a nossa própria galáxia, também as outras possuem pequenas galáxias satélites ou glóbulos estelares. As duas Nuvens de Magalhães (só visíveis no hemisfério sul, mas já descritas nas mitologias de alguns povos das ilhas do Pacífico, antes de serem conhecidas dos europeus, por intermédio dos relatos dos navegadores que acompanharam Fernão de Magalhães, na primeira Volta ao Mundo), são as mais importantes galáxias satélites da Via Láctea. A maior dessas Nuvens de Magalhães, tem cerca de dez mil milhões de estrelas. A mais pequena tem um décimo dessas estrelas e está a cento e sessenta mil anos luz de nós. Outras como a do Dragão e da Ursa Menor, não têm mais que cem mil unidades.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-6190600339471869972?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/6190600339471869972/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=6190600339471869972' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6190600339471869972'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6190600339471869972'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/01/nossa-galaxia.html' title='A NOSSA GALÁXIA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7606050667820041562</id><published>2011-01-17T00:27:00.000-08:00</published><updated>2011-01-18T15:15:43.051-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='rena'/><category scheme='http://www.blogger.com/atom/ns#' term='estepe russa'/><category scheme='http://www.blogger.com/atom/ns#' term='Nagasaki'/><category scheme='http://www.blogger.com/atom/ns#' term='Shoemaker-Levy'/><category scheme='http://www.blogger.com/atom/ns#' term='metorito Tungusta'/><category scheme='http://www.blogger.com/atom/ns#' term='The Times'/><title type='text'>O ACONTECIMENTO TUNGUSTA</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;span style="font-size: 85%;"&gt;&lt;span style="color: #999900;"&gt;COMETAS 5&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;a href="http://4.bp.blogspot.com/_gwiQZ4uXrnI/SBUNC3ddoMI/AAAAAAAAAvY/8lTvSF5YDEU/s1600-h/C1995+O1.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"&gt;&lt;img alt="" border="0" height="640" id="BLOGGER_PHOTO_ID_5194072088140161218" src="http://4.bp.blogspot.com/_gwiQZ4uXrnI/SBUNC3ddoMI/AAAAAAAAAvY/8lTvSF5YDEU/s640/C1995+O1.jpg" style="display: block; margin: 0px auto 10px; text-align: center;" width="552" /&gt;&lt;/a&gt;        &lt;br /&gt;&lt;div class="MsoNormal" style="color: #663300; margin-right: 18pt; text-align: justify;"&gt;&lt;span style="font-size: large;"&gt;&lt;b&gt;A Terra é bombardeada por meteoritos de vários tipos, somando mais de 2. 000 toneladas o peso do conjunto desses corpos, por ano. Ocasionalmente ainda caiem grandes meteoritos, como terá sido o caso de Tungusta, numa região remota da estepe russa, em &lt;st1:date day="30" ls="trans" month="6" st="on" year="19"&gt;30 Junho  19&lt;/st1:date&gt;08. O objecto (julga-se que era um cometa) explodiu quando chegou às altas camadas da atmosfera e deveria pesar 1 milhão de toneladas. Desenvolveu, ao despenhar-se, uma energia equivalente a uma bomba atómica. Derrubou milhares de árvores, matou rebanhos inteiros de renas, deitou pessoas ao chão a quarenta quilómetros e o ruído da explosão ouviu-se a milhares de quilómetros. Levantou poeiras que subiram até às altas camadas da atmosfera. Essas poeiras deram a volta ao mundo. De tal maneira que, nas noites seguintes, em Londres, se podia ler o &lt;i&gt;Times&lt;/i&gt; à noite, dado&amp;nbsp; pelo reflexo da luminosidade provocada pelos raios do Sol!&lt;br /&gt;Hoje em dia, cerca de 7 ou 8 grandes meteoritos ainda caiem todos os anos, na Terra, mais de 1/3, no mar. Alguns podem desenvolver energias equivalentes a uma bomba, como a de Nagasaki. O que recentemente explodiu no Pacífico, em Outubro de 1990, equivalia a 1000 toneladas de TNT. E também se sabe que, em média, cai um corpo de &lt;st1:metricconverter productid="1 quil￳metro" st="on"&gt;1 quilómetro&lt;/st1:metricconverter&gt; de diâmetro, em cada milhão de anos, que equivale a 1 megatonelada de TNT = 100 vezes todas as bombas nucleares do mundo, a explodir ao mesmo tempo!&lt;br /&gt;Recentemente, à aproximação de Júpiter, um cometa denominado &lt;i&gt;Shoemaker-Levy-9&lt;/i&gt; foi fragmentado pelas poderosas forças gravíticas do planeta e despenhou-se, aos bocados, nesse gigante do Sistema. Júpiter, para nós, funciona com um escudo protector, pois, muitos eventuais corpos que poderiam cair na Terra, são captados pelo planeta gigante do Sistema. A espectacular queda foi observada e fotografada desde a Terra.&lt;br /&gt;Porém, a maioria dos meteoritos ou cometas, despenham-se directamente no Sol, dada a sua enorme força gravítica&lt;/b&gt;.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-size: 85%;"&gt;&lt;span style="color: #ffcc00; font-style: italic;"&gt;&lt;/span&gt;&lt;span style="color: #cc9933; font-weight: bold;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7606050667820041562?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7606050667820041562/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7606050667820041562' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7606050667820041562'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7606050667820041562'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2008/04/o-acontecimento-tungusta.html' title='O ACONTECIMENTO TUNGUSTA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_gwiQZ4uXrnI/SBUNC3ddoMI/AAAAAAAAAvY/8lTvSF5YDEU/s72-c/C1995+O1.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-9179146238658234727</id><published>2011-01-16T20:42:00.000-08:00</published><updated>2011-03-17T18:41:22.418-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Antártida'/><category scheme='http://www.blogger.com/atom/ns#' term='TMG'/><category scheme='http://www.blogger.com/atom/ns#' term='bola de fogo'/><category scheme='http://www.blogger.com/atom/ns#' term='2008 TC3'/><title type='text'>BOLAS DE FOGO</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;br /&gt;&lt;br /&gt;&lt;a href="http://1.bp.blogspot.com/_gwiQZ4uXrnI/SV7gAksqSqI/AAAAAAAABT8/Vm1n3Kzqns4/s1600-h/Bola+de+fogo+na+R%C3%BAssia,+em+1663.jpg"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5286909313035160226" src="http://1.bp.blogspot.com/_gwiQZ4uXrnI/SV7gAksqSqI/AAAAAAAABT8/Vm1n3Kzqns4/s320/Bola+de+fogo+na+R%C3%BAssia,+em+1663.jpg" style="cursor: pointer; float: left; height: 265px; margin: 0pt 10px 10px 0pt; width: 320px;" /&gt;&lt;/a&gt;&lt;span style="font-size: 130%;"&gt; &lt;br /&gt;&lt;/span&gt;&lt;style&gt;p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }div.Section1 { page: Section1; }&lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;A  primeira informação que houve sobre a existência e aproximação dum  deste objectos à Terra, pertenceu aos astrónomos do Observatório de  Monte Lemmon, no Arizona. &lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;Foi-lhe dado o nome de 2008 TC3. &lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;Assim  que a informação foi revelada, por todo o mundo outros astrónomos  começaram a seguir a sua trajectória. Os cálculos mostravam que o  objecto estava em rota de colisão com a Terra e que deveria entrar na  nossa atmosfera com uma inclinação duns 20 º, na região norte do Sudão.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;Na  verdade, no dia 7 de Outubro, de 2008, à hora (2.46, Tempo Médio de  Greenwish) e local previsto, o meteorito entrou nas altas camadas da  atmosfera, com uma velocidade duns 30.000 quilómetros/hora e produziu  uma bola-de-fogo, devido ao tremendo aquecimento que sofreu com a  fricção no ar rarefeito, talvez a uns 80 ou 100 quilómetros da superfície terrestre.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;O objecto, dum metro ou dois de diâmetro, acabou por fragmentar-se e cair em bocados não chegando a ser uma ameaça. &lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;Meteoritos  deste tamanho são relativamente frequentes (dois ou três, por ano). Na  maioria das vezes, dada a inclinação com que entram, não são vistos. E  podem cair nos oceanos, desertos, na Antártida ou, durante o dia,  tornando muito difícil a sua percepção.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;No  entanto, se tivesse uns dez metros de diâmetro, provocaria uma explosão  semelhante à bomba de Hiroshima. Felizmente, objectos com esse diâmetro  são muito raros.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;Este 2008 TC3 foi visível na Índia e na Europa. &lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; text-align: justify;"&gt;&lt;span style="font-size: 130%;"&gt;Mas esta é a primeira vez que, antecipadamente se teve conhecimento duma aproximação e entrada na atmosfera terrestre.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; font-weight: bold; text-align: justify;"&gt;&lt;span style="color: #ffffcc; font-size: 130%; font-weight: normal;"&gt;-&lt;/span&gt;&lt;span style="font-size: 85%;"&gt; &lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #6600cc; font-weight: bold; text-align: justify;"&gt;&lt;span style="color: #ffcc00; font-size: 85%;"&gt;Bola de Fogo caída na Rússia em  1663 - Google.&lt;/span&gt; &lt;/div&gt;&lt;div class="MsoNormal"&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-9179146238658234727?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/9179146238658234727/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=9179146238658234727' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/9179146238658234727'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/9179146238658234727'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/03/p.html' title='BOLAS DE FOGO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_gwiQZ4uXrnI/SV7gAksqSqI/AAAAAAAABT8/Vm1n3Kzqns4/s72-c/Bola+de+fogo+na+R%C3%BAssia,+em+1663.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8830228216798063115</id><published>2011-01-09T15:46:00.000-08:00</published><updated>2011-01-09T15:46:13.249-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='convite'/><category scheme='http://www.blogger.com/atom/ns#' term='postal'/><title type='text'>CONVITE</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/_gwiQZ4uXrnI/TSpIdeRsbII/AAAAAAAACuA/4IHSWtOJHoA/s1600/CONVITE+BLOG++recorte.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="371" src="http://4.bp.blogspot.com/_gwiQZ4uXrnI/TSpIdeRsbII/AAAAAAAACuA/4IHSWtOJHoA/s400/CONVITE+BLOG++recorte.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8830228216798063115?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8830228216798063115/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8830228216798063115' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8830228216798063115'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8830228216798063115'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/01/convite.html' title='CONVITE'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_gwiQZ4uXrnI/TSpIdeRsbII/AAAAAAAACuA/4IHSWtOJHoA/s72-c/CONVITE+BLOG++recorte.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-2915223057781716260</id><published>2011-01-03T13:48:00.000-08:00</published><updated>2011-09-06T14:24:24.679-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='metano'/><category scheme='http://www.blogger.com/atom/ns#' term='etileno'/><category scheme='http://www.blogger.com/atom/ns#' term='etano'/><category scheme='http://www.blogger.com/atom/ns#' term='titan'/><category scheme='http://www.blogger.com/atom/ns#' term='Ganimedes'/><title type='text'>TITAN</title><content type='html'>&lt;div dir="ltr" style="text-align: left;" trbidi="on"&gt;&lt;a href="http://3.bp.blogspot.com/_gwiQZ4uXrnI/SjAcL2PVmzI/AAAAAAAABxU/RgSGDZ0gRYw/s1600-h/titan.jpg"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5345803747552762674" src="http://3.bp.blogspot.com/_gwiQZ4uXrnI/SjAcL2PVmzI/AAAAAAAABxU/RgSGDZ0gRYw/s400/titan.jpg" style="cursor: pointer; display: block; height: 400px; margin: 0px auto 10px; text-align: center; width: 400px;" /&gt;&lt;/a&gt;"&amp;gt;&lt;style&gt; &lt;!--  /* Style Definitions */  p.MsoNormal, li.MsoNormal, div.MsoNormal  {mso-style-parent:"";  margin:0cm;  margin-bottom:.0001pt;  mso-pagination:widow-orphan;  font-size:12.0pt;  font-family:"Times New Roman";  mso-fareast-font-family:"Times New Roman";} a:link, span.MsoHyperlink  {color:blue;  text-decoration:underline;  text-underline:single;} a:visited, span.MsoHyperlinkFollowed  {color:purple;  text-decoration:underline;  text-underline:single;} @page Section1  {size:612.0pt 792.0pt;  margin:70.85pt 3.0cm 70.85pt 3.0cm;  mso-header-margin:36.0pt;  mso-footer-margin:36.0pt;  mso-paper-source:0;} div.Section1  {page:Section1;} --&gt; &lt;/style&gt;&lt;link href="file:///C:%5CDOCUME%7E1%5CVCALAD%7E1%5CDEFINI%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml" rel="File-List" style="color: #006600; font-family: arial; font-weight: bold;"&gt;&lt;/link&gt;&lt;style&gt; &lt;!--  /* Style Definitions */  p.MsoNormal, li.MsoNormal, div.MsoNormal  {mso-style-parent:"";  margin:0cm;  margin-bottom:.0001pt;  mso-pagination:widow-orphan;  font-size:12.0pt;  font-family:"Times New Roman";  mso-fareast-font-family:"Times New Roman";} a:link, span.MsoHyperlink  {color:blue;  text-decoration:underline;  text-underline:single;} a:visited, span.MsoHyperlinkFollowed  {color:purple;  text-decoration:underline;  text-underline:single;} @page Section1  {size:612.0pt 792.0pt;  margin:70.85pt 3.0cm 70.85pt 3.0cm;  mso-header-margin:36.0pt;  mso-footer-margin:36.0pt;  mso-paper-source:0;} div.Section1  {page:Section1;} --&gt; &lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="color: #006600; font-family: arial; font-weight: bold; text-align: justify;"&gt;Saturno, como se sabe, é um dos últimos planetas do Sistema Solar. Curiosamente possui uma grande lua, Titan, a segunda maior de todo o sistema, quase o dobro do tamanho da nossa Lua. Maior mesmo, que o planeta Mercúrio. Só Ganimedes – uma das quatro luas que Galileu descobriu –, lhe ganha em estatura.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-family: arial; font-weight: bold; text-align: justify;"&gt;Tão longe como se encontra, só recentemente foi possível conhecer melhor a sua constituição, mercê das informações provindas da missão Cassini, uma feliz parceria entre as agências NASA, a europeia ESA e a italiana ASI, destinada a observar Saturno, os seus anéis e satélites naturais. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-family: arial; font-weight: bold; text-align: justify;"&gt;Sabe-se agora que Titan possui uma atmosfera mais densa que a da Terra, e que tem água. Porém, essa atmosfera é constituída por nuvens de metano e de etano, dois hidrocarbonetos. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-family: arial; font-weight: bold; text-align: justify;"&gt;O metano – o mais simples dos hidrocarbonetos –, é por nós correntemente utilizado para produzir energia, por combustão. &lt;/div&gt;&lt;div class="MsoNormal" style="color: #006600; font-family: arial; font-weight: bold; text-align: justify;"&gt;O etano, que é obtido a partir do gás natural, ou da refinação do petróleo, tem grande importância industrial, pois dele se obtém o etileno,&lt;a href="http://pt.wikipedia.org/wiki/Etileno" title="Etileno"&gt;&lt;span style="text-decoration: none;"&gt;&lt;/span&gt;&lt;/a&gt; um composto de numerosas aplicações: serve de anestésico em pequenas cirurgias, é usado para amadurecer artificialmente a fruta e no fabrico de plásticos, está na base de vidros sintéticos, é um solvente para vernizes,&lt;a href="http://pt.wikipedia.org/wiki/Verniz" title="Verniz"&gt;&lt;span style="text-decoration: none;"&gt;&lt;/span&gt;&lt;/a&gt; tintas e óleos lubrificantes, além de muitas outras aplicações industriais.&lt;/div&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-2915223057781716260?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/2915223057781716260/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=2915223057781716260' title='18 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2915223057781716260'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2915223057781716260'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2009/06/titan.html' title='TITAN'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_gwiQZ4uXrnI/SjAcL2PVmzI/AAAAAAAABxU/RgSGDZ0gRYw/s72-c/titan.jpg' height='72' width='72'/><thr:total>18</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-6907876094777999247</id><published>2011-01-01T20:52:00.000-08:00</published><updated>2011-01-04T09:56:17.342-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hadrões'/><category scheme='http://www.blogger.com/atom/ns#' term='Roger Penrose'/><category scheme='http://www.blogger.com/atom/ns#' term='satélite WMAP'/><category scheme='http://www.blogger.com/atom/ns#' term='Grande Colisionador de Hadrões'/><category scheme='http://www.blogger.com/atom/ns#' term='Raio de Schwarzschild'/><category scheme='http://www.blogger.com/atom/ns#' term='HLC'/><title type='text'>CURIOSIDADES ASTRONÓMICAS (2)</title><content type='html'>&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;1 – O raciocínio e a imaginação, por vezes, antecipam o conhecimento factual. Vem a propósito referir um dos físicos mais brilhantes da actualidade, Roger Penrose, que aventara a hipótese de o nosso Universo não ser a consequência de um &lt;i&gt;Big Bang&lt;/i&gt;, mas de vários. Sabe-se agora, por intermédio do satélite WMAP, que estuda a radiação cósmica de fundo,&amp;nbsp; que efectivamente houve vários &lt;i&gt;big bangs&lt;/i&gt; cíclicos, um dos quais deu origem ao nosso actual universo.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #fff2cc; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;2 – Conhecem-se várias galáxias que chocaram com outras. E sabe-se, por exemplo, que a Via Láctea está em rota de colisão com a Andrómeda. Porém, quando isso acontecer, dificilmente haverá estrelas a esbarrar umas contra as outras. Pela simples razão de que as distâncias entre si, são enormes, e praticamente se pode dizer que uma galáxia é um grande vazio, onde, de onde em onde, há estrelas!&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;3 – A Lua não ficará para sempre nos céus da Terra. Ela está continuamente a afastar-se de nós. Mas essa taxa de afastamento é muito pequena, cerca de 3 metros por século. É tudo uma questão de tempo…&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #fff2cc; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;4 – As estrelas que vemos no céu fazem parte da nossa própria galáxia. Mas nós só conseguimos vislumbrar uma ínfima parte delas. Numa noite de céu limpo, fora da poluição luminosa das cidades, é possível ver umas 2.500 estrelas. A Galáxia, segundo as últimas estimativas, deve ter mais de 200 mil milhões...&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #fff2cc; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;5 – Se o nosso Sol tivesse toda a sua massa concentrada numa esfera de dois quilómetros e meio de diâmetro, produzir-se-ia um buraco negro! Isto advém do chamado "Raio de Schwarzschild". &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;No centro das galáxias observam-se buracos negros super maciços que podem ser equivalentes a, entre um milhão e mil milhões de vezes, a massa do Sol! &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;6 – Pouco ou nada ainda se sabe da matéria negra que existe em grande abundância no nosso Universo. Tudo o resto que se conhece, galáxias, estrelas, planetas, será apenas uns 4%, do total. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;O destino final deste nosso universo, agora em fase de expansão, depende da sua massa total. Se&amp;nbsp; tem um determinado valor, começará a contrair-se (dentro de muitos milhares de milhões de anos), até a um ponto semelhante ao que deu origem ao &lt;i&gt;Big Bang&lt;/i&gt; – por acção da força da gravidade – e , por ventura, tudo recomeçará de novo. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;No caso inverso, O Universo expandir-se-á infinitamente.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #fff2cc; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;7 – O HLC, o Grande Colisionador de Hadrões (o mais potente acelerador de partículas jamais construído), já efectuou colisões entre protões, a enormes velocidades, que produziram resultados inesperados. Foram produzidas mini gotas dum plasma que terá precedido o &lt;i&gt;Big Bang&lt;/i&gt;. Mas só em 2013 fará essas colisões a 99% da velocidade da luz, para tentar reproduzir o que se terá passado anteriormente.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-6907876094777999247?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/6907876094777999247/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=6907876094777999247' title='5 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6907876094777999247'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6907876094777999247'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2011/01/curiosidades-astronomicas-2.html' title='CURIOSIDADES ASTRONÓMICAS (2)'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>5</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-746945267533826676</id><published>2010-12-26T07:39:00.000-08:00</published><updated>2010-12-26T13:53:30.151-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='constelação Zodíaco'/><category scheme='http://www.blogger.com/atom/ns#' term='Tifão'/><category scheme='http://www.blogger.com/atom/ns#' term='Pã'/><category scheme='http://www.blogger.com/atom/ns#' term='cabra'/><category scheme='http://www.blogger.com/atom/ns#' term='mesopotâmia'/><category scheme='http://www.blogger.com/atom/ns#' term='astrologia'/><category scheme='http://www.blogger.com/atom/ns#' term='capricórnio constelação'/><category scheme='http://www.blogger.com/atom/ns#' term='reconhecimento'/><category scheme='http://www.blogger.com/atom/ns#' term='algedi'/><title type='text'>CAPRICÓRNIO</title><content type='html'>&lt;div class="MsoNormal" style="margin-right: 18.95pt; text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TRdgxnF5_YI/AAAAAAAACts/MCVqANHP55w/s1600/m30_thumb_r1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="362" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TRdgxnF5_YI/AAAAAAAACts/MCVqANHP55w/s400/m30_thumb_r1.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;Capricórnio é uma das doze constelações do Zodíaco que, segundo a Astrologia, diz respeito aos que nasceram entre 22/12 e 20/01.&lt;a href="http://horoscopo.kazulo.pt/4876/signo-capricornio.htm" target="_self"&gt;&lt;span style="text-decoration: none;"&gt;&lt;/span&gt;&lt;/a&gt;&amp;nbsp;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;O agrupamento de estelas de que hoje falamos, foi um dos primeiros a ser integrado nessa espécie de roda que se imaginou rodear o Sol – o Zodíaco. Mas nem sempre assim foi. Terá sido figurado pelo menos há uns 5500 anos, a. C., a avaliar por gravuras deixadas em objectos de barro, datando desses tempo e, alguns estudiosos, baseando-se em desenhos e pictogramas feitos na Mesopotâmia, cerca de 4000 a. C., afirmam que Capricórnio é apenas parte duma constelação imaginada anteriormente, que incluía a de Aquário. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;Capricórnio representava uma cabra, em diversas regiões do Médio-Oriente. As histórias mitológicas que se foram produzindo em seu redor, na Antiguidade, são inúmeras e de variadas configurações. Em algumas é uma caracterização de Pã, um músico! – mas também um fauno que ajudara Zeus &lt;span class="NormalWebCarcter"&gt;uma feroz batalha contra Tifão. Zeus, o deus supremo da mitologia grega, transformou-o em &lt;/span&gt;conste&lt;span class="NormalWebCarcter"&gt;lação, em sua homenagem e reconhecimento pelo serviço prestado.&amp;nbsp; &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;&lt;span class="NormalWebCarcter"&gt;A constelação, em si, só com muita boa vontade poderá fazer lembrar uma cabra, sendo as suas estrelas pouco brilhantes, geralmente de magnitude 3 ou 4.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;A estrela α, conhecida por Algedi é, na verdade, uma estrela dupla – ou seja: um par de estrelas que gravitam ente si, girando uma em redor da outra, e vice-versa. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;Curiosamente a estrela β que era anunciadora do inverno, nesses tempos remotos, 4000 anos depois… já não o é! &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;A estrela δ, ao contrário do que é costume, é a mais brilhante constelação, também uma binária, mas que se eclipsa durante um período regular de 24h 32m 47.2s!&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #cc0000; margin-right: 18.95pt; text-align: justify;"&gt;&lt;b&gt;Capricórnio é uma constelação de reduzido interesse para a Astronomia. O único objecto que merece atenção é o M 30 do catálogo de Messier, ou &amp;nbsp;NGC 7099 (New General Cataloge), a 40.000 anos-luz. Tem a particularidade de ter uma grande concentração de estrelas na sua parte central, como se pode ver na gravura.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-746945267533826676?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/746945267533826676/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=746945267533826676' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/746945267533826676'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/746945267533826676'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/12/capricornio.html' title='CAPRICÓRNIO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/TRdgxnF5_YI/AAAAAAAACts/MCVqANHP55w/s72-c/m30_thumb_r1.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-9207891433471468072</id><published>2010-12-19T16:04:00.000-08:00</published><updated>2010-12-19T16:04:22.552-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='feliz natal'/><title type='text'>NATAL</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;b&gt;&lt;span style="color: lime;"&gt;DESEJO A TODOS OS MEUS ESTIMADOS LEITORES&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;b&gt;&lt;span style="color: lime;"&gt;&lt;span style="color: #fff2cc;"&gt;. &lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TQ6dOBeoZCI/AAAAAAAACto/8wqBr9yG1W8/s1600/nebulosa.4jpg.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="288" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TQ6dOBeoZCI/AAAAAAAACto/8wqBr9yG1W8/s400/nebulosa.4jpg.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-9207891433471468072?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/9207891433471468072/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=9207891433471468072' title='6 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/9207891433471468072'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/9207891433471468072'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/12/natal.html' title='NATAL'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/TQ6dOBeoZCI/AAAAAAAACto/8wqBr9yG1W8/s72-c/nebulosa.4jpg.jpg' height='72' width='72'/><thr:total>6</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5896126697284625572</id><published>2010-12-16T12:50:00.000-08:00</published><updated>2010-12-17T21:24:58.429-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Betelguese'/><category scheme='http://www.blogger.com/atom/ns#' term='paralaxe'/><category scheme='http://www.blogger.com/atom/ns#' term='efeito doppler'/><category scheme='http://www.blogger.com/atom/ns#' term='Vega'/><category scheme='http://www.blogger.com/atom/ns#' term='Próxima de Centauro'/><category scheme='http://www.blogger.com/atom/ns#' term='epsilon indi'/><category scheme='http://www.blogger.com/atom/ns#' term='Estrela de Barnard'/><category scheme='http://www.blogger.com/atom/ns#' term='estrelas fixas'/><category scheme='http://www.blogger.com/atom/ns#' term='espectógrafo'/><category scheme='http://www.blogger.com/atom/ns#' term='Altair'/><category scheme='http://www.blogger.com/atom/ns#' term='Régulos'/><title type='text'>DISTÂNCIAS E MEDIÇÕES ASTRONÓMICAS</title><content type='html'>&lt;div class="MsoNormal" style="text-align: center;"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&lt;span style="color: red;"&gt; PARALAXE&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red;"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;A &lt;span style="font-size: 11pt;"&gt;1ª&lt;/span&gt; luneta astronómica fora construída em &lt;span style="font-size: 11pt;"&gt;1604,&lt;/span&gt; por Galileu, que através dela descobriu as luas de Júpiter, calculou a altura das montanhas da Lua e concluiu que a Via Láctea não era uma nuvem, como antes se pensava, mas sim um enorme conjunto de Estrelas. Mas já Tycho Brahé, em &lt;span style="font-size: 11pt;"&gt;1602&lt;/span&gt;, elaborara um catálogo das &lt;span style="font-size: 11pt;"&gt;777&lt;/span&gt; estrelas &lt;i&gt;fixas&lt;/i&gt; mais visíveis. Ao mesmo tempo, os astrónomos começaram a procurar determinar as distâncias que nos separam dessas estrelas.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;O método mais corrente para se determinar distâncias dessa grandeza é o que se obtém através da paralaxe. O método requer conhecimentos de geometria, e é baseado nos ângulos que são medidos de seis em seis meses, para aproveitar aberturas angulares entre pontos distanciados de &lt;span style="font-size: 11pt;"&gt;300 &lt;/span&gt;milhões de quilómetros – o diâmetro da órbita da Terra! &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 11pt;"&gt;Com este método é possível saber a distância a estrelas próximas, por exemplo, à &lt;i&gt;epsilon Indi&lt;/i&gt; (uma anã laranja um pouco mais pequena que o Sol), a 11,2 anos-luz; a Vega, a mais brilhante da constelação da Lira, a 26 anos-luz; à &lt;i&gt;Próxima &lt;/i&gt;de Centauro, que está a cerca de 4,4 anos-luz (a estrela mais próxima de nós, a seguir ao Sol); à anã vermelha, &lt;i&gt;Estrela de Barnard&lt;/i&gt;, que se encontra a&amp;nbsp; 6 anos-luz, &lt;/span&gt;ou ainda, entre muitíssimas outras, à estrela branca Altair, da constelação da Águia (a águia voadora dos Árabes, e que para os Romanos era a companheira de Júpiter).&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 11pt;"&gt;Mas também ainda é possível medir a distância a estrelas mais longínquas, como por exemplo à &lt;i&gt;alfa &lt;/i&gt;de &lt;/span&gt;Leão, conhecida por Régulos, que está a &lt;span style="font-size: 11pt;"&gt;84&lt;/span&gt; anos-luz; a Betelguese, em Orion, uma supergigante vermelha como a órbita de Marte, a &lt;span style="font-size: 11pt;"&gt;650 &lt;/span&gt;anos-luz; ou a Rigel (o diabo, dos Árabes), na mesma constelação de Orion, uma supergigante branco-azulada, a &lt;span style="font-size: 11pt;"&gt;850&lt;/span&gt; anos-luz e que é a &lt;span style="font-size: 11pt;"&gt;6ª&lt;/span&gt; mais brilhante do céu, pois brilha como &lt;span style="font-size: 11pt;"&gt;10.000&lt;/span&gt; sóis. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #fff2cc; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;.&lt;/b&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: center;"&gt;&lt;b&gt;EFEITO DE DOPPLER&lt;/b&gt;&lt;/div&gt;&lt;div align="center" class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: center;"&gt;&lt;b&gt;&lt;span style="font-size: 9pt;"&gt;&lt;span style="color: #fff2cc;"&gt;. &lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;No entanto, se pretendermos medir a distância a outras estrelas de galáxias distantes, ou às próprias galáxias, o método já não é eficaz.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: red; margin: 0cm 1cm 0.0001pt 14.2pt; text-align: justify;"&gt;&lt;b&gt;Recorre-se ao &lt;i&gt;efeito doppler&lt;/i&gt;, que nos diz que o espectro da luz dos corpos que se afastam de nós a enormes velocidades, &lt;i&gt;tende para o vermelho&lt;/i&gt;. Essas medições são feitas por intermédio de instrumentos chamados espectógrafos que analisam a luz vinda das estrelas ou galáxias para onde os telescópios apontavam.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-5896126697284625572?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/5896126697284625572/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=5896126697284625572' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5896126697284625572'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5896126697284625572'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/12/distancias-e-medicoes-astronomicas.html' title='DISTÂNCIAS E MEDIÇÕES ASTRONÓMICAS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7951374347750715672</id><published>2010-12-09T00:05:00.000-08:00</published><updated>2010-12-08T17:50:35.836-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='vulcão'/><category scheme='http://www.blogger.com/atom/ns#' term='fósforo'/><category scheme='http://www.blogger.com/atom/ns#' term='efeito de maré'/><category scheme='http://www.blogger.com/atom/ns#' term='luneta'/><category scheme='http://www.blogger.com/atom/ns#' term='enxofre'/><category scheme='http://www.blogger.com/atom/ns#' term='Io'/><category scheme='http://www.blogger.com/atom/ns#' term='Calisto'/><category scheme='http://www.blogger.com/atom/ns#' term='Voyager'/><category scheme='http://www.blogger.com/atom/ns#' term='Ganimedes'/><title type='text'>OS SATÉLITES DE JÚPITER</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/R9Hjp-nPFEI/AAAAAAAAAnQ/tUGUQZpnW7E/s1600-h/io_big+++++blog.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5175167757147116610" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/R9Hjp-nPFEI/AAAAAAAAAnQ/tUGUQZpnW7E/s400/io_big+++++blog.jpg" style="cursor: pointer; float: left; margin: 0pt 10px 10px 0pt;" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="color: #ffcc33; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: #333399; font-family: trebuchet ms;"&gt;Io é o satélite que se encontra mais próximo do planeta Júpiter e foi visto pela primeira vez por Galileu, com a ajuda da luneta que inventara. Os restantes três, descobertos pelo célebre físico, são Europa, Calisto e Ganimedes. O diâmetro de Io é de mil e seiscentos quilómetros, o que lhe confere umas dimensões semelhantes à da Lua. Mas, além de possuir um núcleo metálico e uma densidade elevada, deve ter um campo magnético, o que não acontece com o nosso satélite natural. Apresenta tons amarelos que podem ser de enxofre e fósforo, talvez em estado líquido. As fotografias colhidas pela sonda &lt;i&gt;Voyager&lt;/i&gt;, porém, revelam qualquer coisa de inesperado, bem nítidas na gravura, colhida pela sonda. São visíveis vários vulcões em plena actividade, como o que se pode observar na orla do satélite, claramente expelindo magma e gases para a atmosfera. De tal maneira assim é que o astro se encontra envolto numa nuvem muito ténue que o envolve completamente e que têm sido observadas desde há poucas décadas. Nessa nuvem também foi detectado o cloreto de sódio.&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;b&gt;&lt;span style="color: #333399; font-family: trebuchet ms;"&gt;Essas erupções vulcânicas devem-se aos efeitos da força atractiva de Júpiter e de dois dos outros satélites. Io é constantemente puxado na direcção desses vizinhos, particularmente o gigante Júpiter e sofre fortíssimos efeitos de maré. Esses efeitos de maré podem deformar a sua crosta até aos cem metros. O calor desenvolvimento é o responsável pelos fenómenos de vulcanismo.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;span style="color: #ffcc33; font-family: Trebuchet MS;"&gt;.&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7951374347750715672?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7951374347750715672/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7951374347750715672' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7951374347750715672'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7951374347750715672'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2008/03/io-o-satlite-que-se-encontra-mais.html' title='OS SATÉLITES DE JÚPITER'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/R9Hjp-nPFEI/AAAAAAAAAnQ/tUGUQZpnW7E/s72-c/io_big+++++blog.jpg' height='72' width='72'/><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-4887051598151635466</id><published>2010-11-30T17:18:00.000-08:00</published><updated>2010-12-02T10:19:47.102-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='erupções de gases'/><category scheme='http://www.blogger.com/atom/ns#' term='raios gama'/><title type='text'>RAIOS GAMA</title><content type='html'>&lt;div class="MsoNormal" style="margin-right: 19.4pt; text-align: justify;"&gt;O Universo não pára de nos surpreender.&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 19.4pt; text-align: justify;"&gt;Agora  é o telescópio espacial Fermi, especialmente desenhado para detectar  raios gama, que nos dá conta de que na nossa galáxia estão a produzir-se  enormes quantidades desses tão energéticos raios, a partir do seu  centro, onde pontifica um colossal buraco negro.&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 19.4pt; text-align: justify;"&gt;Essas  emissões de raios gama saem para norte e para sul do centro da Galáxia e  estendem-se por 50.000 anos luz, de uma ponta à outra. Devem ter  começado há milhões de anos.&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 19.4pt; text-align: justify;"&gt;Pensa-se  que foram consequência duma tremenda erupção no buraco negro mas, por  ora, poucas são as certezas. Como se sabe, do buraco negro, nada pode  sair, nem a luz sob que forma for: raios gama, ou outros.&lt;/div&gt;&amp;nbsp;&lt;span lang="EN-GB"&gt;&lt;span style="color: #fff2cc;"&gt; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/span&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;span style="color: #fff2cc;"&gt; .&amp;nbsp; &amp;nbsp;&amp;nbsp; . &amp;nbsp;&lt;/span&gt; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;div class="MsoNormal"&gt;&lt;span lang="EN-GB"&gt;&lt;object height="390" width="640"&gt;&lt;paramname="movie"value="http://www.youtube.com/v/Ya2OXXgn8FU&amp;amp;hl=pt_BR&amp;amp;feature=player_embedded&amp;amp;version=3"&gt;&lt;/param&gt;&lt;paramname="allowFullScreen"value="true"&gt;&lt;/param&gt;&lt;paramname="allowScriptAccess"value="always"&gt;&lt;/param&gt;&lt;embedsrc="http://www.youtube.com/v/Ya2OXXgn8FU&amp;amp;hl=pt_BR&amp;amp;feature=player_embedded&amp;amp;version=3"type="application/x-shockwave-flash" allowfullscreen="true"allowScriptAccess="always" width="640" height="390"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-4887051598151635466?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/4887051598151635466/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=4887051598151635466' title='8 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4887051598151635466'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/4887051598151635466'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/11/raios-gama_30.html' title='RAIOS GAMA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>8</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-6536262483535447275</id><published>2010-11-22T17:51:00.000-08:00</published><updated>2010-11-23T17:23:11.173-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hubble'/><category scheme='http://www.blogger.com/atom/ns#' term='colisão de galáxias'/><category scheme='http://www.blogger.com/atom/ns#' term='red shift'/><category scheme='http://www.blogger.com/atom/ns#' term='desvio para o vermelho'/><title type='text'>COLISÃO DE GALÁXIAS</title><content type='html'>&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TOscQEVH6hI/AAAAAAAACr4/RHadPV78sQQ/s1600/colis%25C3%25A3o_3.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="287" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TOscQEVH6hI/AAAAAAAACr4/RHadPV78sQQ/s400/colis%25C3%25A3o_3.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;2 galáxias em colisão - imagem Google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="MsoNormal" style="color: #fff2cc; text-align: justify;"&gt;&lt;b&gt;.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Como se sabe, o Universo encontra-se numa fase de expansão.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Edwin Hubble (1889&amp;nbsp;–1953), para além de descobrir outras galáxias para além da nossa (a Estrada de Santiago), foi o primeiro a mostrar o seu progressivo afastamento, pelo &lt;i&gt;red shift&lt;/i&gt; (desvio para o vermelho), nas informações espectrais que advinham das suas observações e medições, feitas nessas galáxias.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Assim sendo, e estando imensamente distantes umas das outras, poderá parecer que, ao se afastarem&lt;/b&gt;&lt;b&gt;,&lt;/b&gt;&lt;b&gt; nunca poderão colidir. &amp;nbsp;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Mas esse afastamento só é uniforme para grandes conjuntos.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;No seu todo, o Universo expande-se mas, considerando localizadas zonas do Espaço, poderá haver aproximações, ou mesmo colisões.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Imaginemos uma rua cheia de gente que se dirige numa determinada direcção. Considerada a grande escala (a extensão da rua), a massa popular segue no mesmo sentido. No entanto, uma ou outra pessoa pode, pontualmente, estar a fazer o trajecto em diagonal, ou mesmo a vir no sentido inverso, atropelando todos os que apanha pela frente...&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;No que respeita às galáxias, não é por vontade própria (apanágio do Homem), que elas se poderão aproximar, mas fruto da interacção das forças gravíticas de umas e outras.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Conhecem-se muitas em rota de colisão, outras que estão a colidir.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;A nossa Galáxia terá esse destino. Num futuro muito longínquo, colidirá com a Andrómeda, a maior, do chamado Grupo Local. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;O Grupo Local é composto por umas 35 galáxias e inclui a Via Láctea, a Andrómeda e o Triângulo, numa extensão de cerca de 10 milhões de anos-luz. A maioria das restantes são muito pequenas e são satélites das 3 maiores, como as Nuvens de Magalhães, que nos estão próximas e até são visíveis no Hemisfério Sul.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: blue; margin-right: 23.95pt; text-align: justify;"&gt;&lt;b&gt;Isto vem a propósito, porque acaba de ser descoberta uma estrela de outra galáxia, na nossa. Os primeiros cálculos levam a pensar que, no passado, uma pequena galáxia satélite terá sido engolida pela Via Láctea!&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-6536262483535447275?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/6536262483535447275/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=6536262483535447275' title='5 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6536262483535447275'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6536262483535447275'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/11/colisao-de-galaxias.html' title='COLISÃO DE GALÁXIAS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/TOscQEVH6hI/AAAAAAAACr4/RHadPV78sQQ/s72-c/colis%25C3%25A3o_3.jpg' height='72' width='72'/><thr:total>5</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5138786345635971491</id><published>2010-11-15T20:05:00.000-08:00</published><updated>2010-11-15T20:05:54.701-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='sonda Salyut'/><category scheme='http://www.blogger.com/atom/ns#' term='semente'/><category scheme='http://www.blogger.com/atom/ns#' term='imponderabilidade'/><title type='text'>EXPLORAÇÕES ESPACIAIS</title><content type='html'>&lt;b&gt;&lt;span style="color: #cc33cc;"&gt;&lt;span style="color: #ffffcc;"&gt;..&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: #cc33cc;"&gt; A estação espacial soviética, denominada Salyut 1 (saudação, em russo),  que pesava mais de 18 toneladas, foi lançada há quase 40 anos, em  Abril de 1971, e fora concebida para vários programas e testes. Uma das  suas missões era estudar os recursos da Terra. Uma outra dessas missões,  era levar a cabo experiências biológicas.&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;b&gt;&lt;span style="color: #cc33cc;"&gt; Uma dessas experiências consistia em obter sementes, no espaço. Essas  sementes de cereais e outras, seriam depois utilizadas noutras sondas ou  naves espaciais, para se saber se seriam capazes de produzir sucessivas  gerações de novas sementes, em condições de mínima imponderabilidade, no espaço.&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;b&gt;&lt;span style="color: #cc33cc;"&gt; A força da gravidade no interior das naves que saem para o espaço  interplanetário, fora do campo gravítico da Terra, não vai além do  centésimo milésimo da que temos no nosso planeta. Apesar disso,  pensava-se que ela seria suficiente para as sementes memorizarem a  informação e &lt;i&gt;"saberem&lt;/i&gt;" dirigir correctamente as folhas e as raízes, em  noutros nascimentos, dentro de posteriores naves.&lt;/span&gt;&lt;/b&gt;&lt;br /&gt;&lt;b&gt;&lt;span style="color: #cc33cc;"&gt; Estas experiências, como facilmente se compreende, são de vital  importância para os futuros navegantes do espaço interestelar, porque uma nave dessa  natureza deverá ser auto suficiente, talvez para sempre...&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-5138786345635971491?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/5138786345635971491/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=5138786345635971491' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5138786345635971491'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5138786345635971491'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/11/exploracoes-espaciais.html' title='EXPLORAÇÕES ESPACIAIS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1495980646333708381</id><published>2010-11-08T17:10:00.000-08:00</published><updated>2010-11-08T17:11:26.340-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='constelação de Hérculos'/><category scheme='http://www.blogger.com/atom/ns#' term='casulo'/><category scheme='http://www.blogger.com/atom/ns#' term='curiosidades astronómicas'/><category scheme='http://www.blogger.com/atom/ns#' term='estrela Rasalgeti'/><title type='text'></title><content type='html'>&lt;div class="post-footer-line post-footer-line-3"&gt;&lt;span class="post-location"&gt; &lt;/span&gt; &lt;/div&gt;&lt;div class="date-outer"&gt;&lt;div class="date-posts"&gt;&lt;div class="post-outer"&gt;&lt;div class="post hentry uncustomized-post-template"&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;a href="http://www.blogger.com/post-edit.g?blogID=4681077596097508615&amp;amp;postID=1495980646333708381" name="8675289482177503032"&gt;&lt;/a&gt; &lt;br /&gt;&lt;h3 class="post-title entry-title"&gt;&lt;a href="http://astronomia-algarve.blogspot.com/2008/10/curiosidades-artronmicas.html"&gt;CURIOSIDADES ASTRONÓMICAS&lt;/a&gt; &lt;/h3&gt;&lt;div class="post-header"&gt;&lt;/div&gt;&lt;span style="color: #ffffcc;"&gt;.&lt;/span&gt;&lt;br /&gt;&lt;div align="justify" style="font-weight: bold;"&gt;&lt;span style="color: #333399;"&gt;*  Se nos fosse possível viajar à velocidade da luz (300 mil quilómetros  por segundo) daríamos sete voltas à Terra, nesse pequeníssimo lapso de  tempo.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #333399;"&gt;* A  distância entre a Terra e o Sol é de 150 milhões de quilómetros. Se o  Sol se apagasse neste momento, só deixaríamos de vê-lo, cerca de oito  minutos depois.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #333399;"&gt;* A  galáxia da Andrómeda é algo semelhante à nossa, mas bem maior. É  constituída por cerca de 400 mil milhões de estrelas e lembra um casulo  ligeiramente espalmado, vista ao telescópio. Se se apagasse neste  momento, seria ainda visível durante mais de dois milhões de anos! No  entanto, é uma das mais próximas de nós. Conhece-se uma enormidade de  outras, que se encontram milhões de vezes mais longe.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: #333399;"&gt;*  A estrela alfa da constelação de Hércules - uma gigante vermelha,  conhecida desde o tempo dos antigos gregos pelo nome de Rasalgeti e que  se encontra a quinhentos anos-luz de nós -, tem um diâmetro seiscentas  vezes maior que o nosso Sol. Este, por sua vez, é um milhão de vezes  mais volumoso que a Terra.&lt;/span&gt; &lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1495980646333708381?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1495980646333708381/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1495980646333708381' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1495980646333708381'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1495980646333708381'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/11/curiosidades-astronomicas.html' title=''/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1835321163176786142</id><published>2010-11-02T16:05:00.000-07:00</published><updated>2010-11-02T16:07:30.063-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='relógio de pêndulo'/><category scheme='http://www.blogger.com/atom/ns#' term='algamesto'/><category scheme='http://www.blogger.com/atom/ns#' term='movimento parabólico'/><category scheme='http://www.blogger.com/atom/ns#' term='luneta de galileu'/><category scheme='http://www.blogger.com/atom/ns#' term='peso do ar'/><category scheme='http://www.blogger.com/atom/ns#' term='méodo empírico'/><category scheme='http://www.blogger.com/atom/ns#' term='inércia'/><title type='text'>GALILEU GALILEI</title><content type='html'>&lt;div class="MsoNormal" style="margin-right: 23.95pt; text-align: justify;"&gt;&lt;span style="font-size: 10pt;"&gt;&lt;span style="color: #fff2cc;"&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 23.95pt; text-align: justify;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 23.95pt; text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;img border="0" height="640" src="http://4.bp.blogspot.com/_gwiQZ4uXrnI/TNCYTLnz3FI/AAAAAAAACqc/2FgIvoEmtW0/s640/GalileuLuneta.gif" style="margin-left: auto; margin-right: auto;" width="464" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;Luneta de Galileu- imagem Google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://4.bp.blogspot.com/_gwiQZ4uXrnI/TNCYTLnz3FI/AAAAAAAACqc/2FgIvoEmtW0/s1600/GalileuLuneta.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 23.95pt; text-align: justify;"&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 9.4pt; text-align: justify;"&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;Quando o velho sábio nascido em Pisa, no século XVI, assestou pela primeira vez uma luneta astronómica na direcção de Júpiter, quase duvidou do que via: um pequeno disco, bem nítido, ligeiramente colorido, e quatro pontos de luz que rodeavam o planeta e dele pareciam depender.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;Um novo visionamento, mais tarde, revelou que os pontos de luz tinham mudado de posição, tendo posteriores observações confirmado que esses pontos de luz volteavam à roda do grande planeta. Eram satélites: as quatro grandes luas de Júpiter – Io, Europa, Calisto e Ganimedes; tal como a Lua é um satélite da Terra.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;Esta descoberta foi decisiva para o abandono da ideia de que a Terra é o centro do Universo – o geocentrismo –, defendida pelo grego Cláudio Ptolomeu (90-158), na sua principal obra: o "&lt;i&gt;Algamesto&lt;/i&gt;", e alimentada durante séculos, pela Igreja de Roma.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;Mas Galileu Galilei também se notabilizou por outros inúmeros estudos. Foi ele quem primeiro percebeu o "princípio da inércia", as leis do movimento uniformemente acelerado e as do movimento parabólico. Descobriu as manchas solares e os anéis de Saturno, viu montanhas na Lua, percebeu que Vénus tinha fases, como a Lua. Desenvolveu a balança hidráulica, criou a célebre luneta e o termómetro que levam o seu nome, inventou um método para determinar o peso do ar, o relógio de pêndulo e o compasso geométrico.&amp;nbsp; &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;Foi condenado pela Inquisição, tendo apenas sido absolvido… em 1983!&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;É justamente considerado "o pai da ciência moderna", particularmente pelo facto de ter imposto o método empírico, e relegado para o esquecimento o método aristotélico.&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #073763; margin-right: 9.4pt; text-align: justify;"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1835321163176786142?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1835321163176786142/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1835321163176786142' title='6 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1835321163176786142'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1835321163176786142'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/11/normal-0-21-false-false-false.html' title='GALILEU GALILEI'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_gwiQZ4uXrnI/TNCYTLnz3FI/AAAAAAAACqc/2FgIvoEmtW0/s72-c/GalileuLuneta.gif' height='72' width='72'/><thr:total>6</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8646431421000651952</id><published>2010-10-25T10:31:00.000-07:00</published><updated>2010-10-26T06:34:35.678-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Sonda Kepler.Leis de Kepler'/><category scheme='http://www.blogger.com/atom/ns#' term='Kepler'/><category scheme='http://www.blogger.com/atom/ns#' term='Newton'/><category scheme='http://www.blogger.com/atom/ns#' term='gravitação universal'/><title type='text'>A Sonda Kepler</title><content type='html'>&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;br /&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;div style="color: #fff2cc;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/div&gt;&lt;br /&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;img border="0" height="400" src="http://1.bp.blogspot.com/_gwiQZ4uXrnI/TMXTeXbH2kI/AAAAAAAACn0/3GJxDEskYoQ/s400/200px-Johannes_Kepler_1610.jpg" style="margin-left: auto; margin-right: auto;" width="290" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;b&gt;Johannes Kepler &lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://1.bp.blogspot.com/_gwiQZ4uXrnI/TMXTeXbH2kI/AAAAAAAACn0/3GJxDEskYoQ/s128/200px-Johannes_Kepler_1610.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;/a&gt;&lt;/div&gt;&lt;b&gt;Johannes Kepler (1571 — 1630) foi matemático  e astrónomo, e um importante vulto da revolução científica que teve lugar no século XVII. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;b&gt;Foi ele quem formulou as três célebres leis fundamentais da mecânica celeste.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;b&gt;Essas leis permitiram a Isaac Newton &lt;a href="http://pt.wikipedia.org/wiki/Isaac_Newton" title="Isaac Newton"&gt;&lt;span style="text-decoration: none;"&gt;&lt;/span&gt;&lt;/a&gt;elaborar a sua teoria da gravitação universal.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;b&gt;Em sua homenagem, foi lançada, em 2009, a sonda que leva o seu nome, &amp;nbsp;e que tinha como missão principal detectar planetas &lt;a href="http://pt.wikipedia.org/wiki/Planeta" title="Planeta"&gt;&lt;span style="text-decoration: none;"&gt;&lt;/span&gt;&lt;/a&gt;extra-solares Ela deverá observar umas 10.000 estrelas, durante 4&amp;nbsp; anos.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;b&gt;Mas, mais recentemente, foi atribuída uma outra missão à sonda. Ela irá procurar identificar objectos da nuvem de Oort, que se crê ser um imenso repositório de futuros cometas. A nuvem de Oort, proposta por Yan Oort, em 1950, estender-se-ia até aos limites do Sistema Solar, envolvendo-o em todos os sentidos, como a casca duma laranja, passe a expressão.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;b&gt;O método a ser utilizado para detectar esses pequenos corpos é o mesmo que está a ser utilizado para detectar planetas girando à volta doutros sóis.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #38761d; text-align: justify;"&gt;&lt;b&gt;Quando um deles passar em frente duma dada estrela, a luminosidade desta, baixará ligeiramente durante o tempo em que o objecto estiver no enfiamento da observação. Instrumentos muito precisos de medida, determinarão depois as dimensões dos objectos em causa.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8646431421000651952?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8646431421000651952/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8646431421000651952' title='6 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8646431421000651952'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8646431421000651952'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/10/sonda-kepler.html' title='A Sonda Kepler'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_gwiQZ4uXrnI/TMXTeXbH2kI/AAAAAAAACn0/3GJxDEskYoQ/s72-c/200px-Johannes_Kepler_1610.jpg' height='72' width='72'/><thr:total>6</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7920959098972844502</id><published>2010-10-16T13:55:00.000-07:00</published><updated>2010-10-16T13:58:08.404-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='indectetável'/><category scheme='http://www.blogger.com/atom/ns#' term='fotão'/><category scheme='http://www.blogger.com/atom/ns#' term='neutrino'/><category scheme='http://www.blogger.com/atom/ns#' term='Fermi'/><category scheme='http://www.blogger.com/atom/ns#' term='Pauli'/><title type='text'>O NEUTRINO</title><content type='html'>&lt;h3 class="post-title entry-title" style="color: lime;"&gt;&lt;a href="http://astronomia-algarve.blogspot.com/2007/04/os-neutrinos.html"&gt;&lt;/a&gt;&lt;/h3&gt;&lt;div style="color: lime;"&gt;.&lt;/div&gt;&lt;div class="post-body entry-content" style="color: #0c343d;"&gt;&lt;div align="justify"&gt;&lt;span style="font-size: 130%;"&gt;&lt;b&gt;Uma partícula quase fantasma&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;b&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;br /&gt;O número de neutrinos que chega à Terra é  colossal. Têm características que os tornam quase indetectáveis, porque  são partículas electricamente neutras (tal como os fotões), e ainda  muitíssimo mais pequenas que eles. Assim, não são atraídos ou repelidos  pela matéria comum e passam facilmente por entre ela, sem esbarrar com  os núcleos de todos os elementos da natureza (atravessam o nosso corpo,  em todos os sentidos, sem que demos por isso e sem nos causar qualquer  dano), podendo também atravessar de lado a lado toda a Terra, (e mesmo o  Sol), sem praticamente interagir com a matéria.&lt;br /&gt;A existência desta partícula quase fantasma, tinha  sido proposta pelo físico austríaco Pauli, em 1930, para tentar  explicar determinados problemas que se punham com a desintegração do  neutrão. Mas foi Enrico Fermi, ainda no mesmo ano de 1930, que elaborou  um modelo para o átomo, que incluía o neutrino. Como era italiano,  chamou-lhe &lt;i&gt;neutrino&lt;/i&gt;, ou seja: pequeno neutrão.&lt;br /&gt;A existência da partícula acabou por ser provada.  Uma das primeiras experiências, foi feita no Japão, envolvendo 50. 000  toneladas de água. O neutrino, de onde em onde, embora muito raramente,  acaba por interferir com a matéria e produzir luz, que era captada e  registada num dos 17. 000 tubos que compunham o sofisticado equipamento.&lt;br /&gt;Porém, subsiste um mistério, como anteriormente  referimos. Porque é que chegam à Terra muito menos neutrinos dos que são  previstos teoricamente?&lt;br /&gt;Haverá qualquer coisa que ainda não foi bem  compreendida nessa partícula fantasma, ou haverá algum erro importante,  nos mais recentes modelos que procuram explicar o funcionamento do  Cosmos?&lt;br /&gt;&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;&lt;span class="post-author vcard"&gt;&lt;br /&gt;&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7920959098972844502?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7920959098972844502/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7920959098972844502' title='5 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7920959098972844502'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7920959098972844502'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/10/o-neutrino.html' title='O NEUTRINO'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>5</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-6529799496344004903</id><published>2010-10-09T19:08:00.000-07:00</published><updated>2010-10-10T01:31:26.465-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='imaginário'/><category scheme='http://www.blogger.com/atom/ns#' term='lendário'/><category scheme='http://www.blogger.com/atom/ns#' term='Constelação de Virgem mitologia'/><category scheme='http://www.blogger.com/atom/ns#' term='enredo'/><title type='text'>CONSTELAÇÃO DE VIRGEM (2) - Mitologia</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TLEegnZ2U-I/AAAAAAAAClI/wHBoJEDfCYk/s128/virgem.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="271" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TLEegnZ2U-I/AAAAAAAAClI/wHBoJEDfCYk/s400/virgem.jpg" width="400" /&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&amp;nbsp;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: maroon;"&gt;Como ficou dito na anterior postagem, as constelações são grupos imaginários de estrelas.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: maroon;"&gt;Os antigos, conforme as civilizações, viam nelas objectos do quotidiano, figuras míticas, deuses, animais… E, à volta dessas configurações, se teciam a mais variadas lendárias peripécias e enredos.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: maroon;"&gt;A constelação de Virgem (constelação do Zodíaco) representa uma jovem e são inúmeras as histórias como ela relacionadas.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: maroon;"&gt;Não as referiremos. Apenas mostramos a sua imagem, tal como foi imaginada, a partir das estrelas mais brilhantes da constelação.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: maroon;"&gt;É bem de ver, que nelas se podia inscrever o que quer que fosse.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: maroon;"&gt;E então, os nativos de Virgem, teriam outros atributos e outro destino…&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="color: #fff2cc;"&gt;.&lt;/div&gt;&lt;span style="color: #783f04;"&gt;* Comparar a imagem com a da anterior postagem&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-6529799496344004903?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/6529799496344004903/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=6529799496344004903' title='7 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6529799496344004903'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/6529799496344004903'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/10/blog-post.html' title='CONSTELAÇÃO DE VIRGEM (2) - Mitologia'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/TLEegnZ2U-I/AAAAAAAAClI/wHBoJEDfCYk/s72-c/virgem.jpg' height='72' width='72'/><thr:total>7</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7745118519864844518</id><published>2010-10-02T13:28:00.000-07:00</published><updated>2010-10-02T13:55:01.790-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Enxame de Virgem'/><category scheme='http://www.blogger.com/atom/ns#' term='Virgem A'/><category scheme='http://www.blogger.com/atom/ns#' term='M 89'/><category scheme='http://www.blogger.com/atom/ns#' term='Constelação de Virgem'/><category scheme='http://www.blogger.com/atom/ns#' term='Spica'/><category scheme='http://www.blogger.com/atom/ns#' term='a Vindimadora'/><category scheme='http://www.blogger.com/atom/ns#' term='Porrima'/><title type='text'>CONSTELAÇÃO DE VIRGEM</title><content type='html'>&lt;div class="MsoNormal" style="color: #fff2cc; margin-right: 3.95pt; text-align: justify;"&gt;.&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; margin-right: 3.95pt; text-align: justify;"&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;img border="0" height="285" src="http://3.bp.blogspot.com/_gwiQZ4uXrnI/TKebWYQO5HI/AAAAAAAACio/qnPaEsxo1Ww/constela%C3%A7%C3%A3ovirgem.jpg" style="margin-left: auto; margin-right: auto;" width="400" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;imagem Google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/_gwiQZ4uXrnI/TKebWYQO5HI/AAAAAAAACio/qnPaEsxo1Ww/constela%C3%A7%C3%A3ovirgem.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;/a&gt;&lt;/div&gt;&lt;br /&gt;&lt;b&gt;&amp;nbsp;A constelação da Virgem é um imaginado agrupamento de estrelas, pouco expressivo, próximo da constelação de Leão e que pode servir-lhe de referência.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; margin-right: 3.95pt; text-align: justify;"&gt;&lt;b&gt;Das suas estrelas há a destacar a α, Spica (também chamada Espiga), uma estrela azul esbranquiçada, intrinsecamente muito brilhante, a 280 anos-luz de nós. Se estivesse à distância que está Sírio (a mais luzidia dos nossos céus) seria umas noventa vezes mais brilhante!&lt;/b&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; margin-right: 3.95pt; text-align: justify;"&gt;&lt;b&gt;Aquilo que à vista desarmada parece ser uma só estrela, a γ, Porrima, é, na verdade, um par de estrelas muito próximas e muito parecidas, que orbitam em torno uma da outra. Por estes tempos confundem-se numa só, pois se encontram no enfiamento uma da outra, em relação a nós. Esse movimento recíproco dura uns 170 anos.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; margin-right: 3.95pt; text-align: justify;"&gt;&lt;b&gt;Outra estrela a realçar é a ε, a Vindimadora, uma gigante amarela à distância de 100 anos-luz. &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; margin-right: 3.95pt; text-align: justify;"&gt;&lt;b&gt;O fundo da constelação é muito rico em galáxias, particularmente o chamado Enxame de Virgem (cerca de 3.000), a 45 milhões de anos-luz, onde pontifica a gigante M87 (assim catalogada por Messier), que se julga ter um enorme buraco negro, no seu centro. Daí emana uma fortíssima fonte-rádio, conhecida como Virgem A.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7745118519864844518?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7745118519864844518/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7745118519864844518' title='2 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7745118519864844518'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7745118519864844518'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/10/constelacao-de-virgem.html' title='CONSTELAÇÃO DE VIRGEM'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_gwiQZ4uXrnI/TKebWYQO5HI/AAAAAAAACio/qnPaEsxo1Ww/s72-c/constela%C3%A7%C3%A3ovirgem.jpg' height='72' width='72'/><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-5800133381213388291</id><published>2010-09-26T19:20:00.000-07:00</published><updated>2010-09-26T21:12:03.003-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Yucatan'/><category scheme='http://www.blogger.com/atom/ns#' term='Chicxulub'/><category scheme='http://www.blogger.com/atom/ns#' term='extinção dos dinossauros'/><category scheme='http://www.blogger.com/atom/ns#' term='Terciário'/><category scheme='http://www.blogger.com/atom/ns#' term='fronteira C/T'/><category scheme='http://www.blogger.com/atom/ns#' term='Cretácio'/><category scheme='http://www.blogger.com/atom/ns#' term='65 milhões de anos'/><title type='text'>A EXTINÇÃO DOS DINOSSAUROS</title><content type='html'>&lt;div class="MsoNormal" style="color: #fff2cc; margin-right: 4.4pt; text-align: justify;"&gt;,,,,,,,,,.&lt;br /&gt;&lt;br /&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;img border="0" height="300" src="http://3.bp.blogspot.com/_gwiQZ4uXrnI/TJ_vfm-v9uI/AAAAAAAACTw/6FHkw8hUb-w/s400/dinosaur-images-076-resize.jpg" style="margin-left: auto; margin-right: auto;" width="400" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="color: #0b5394;"&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;imagem google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/_gwiQZ4uXrnI/TJ_vfm-v9uI/AAAAAAAACTw/6FHkw8hUb-w/s128/dinosaur-images-076-resize.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;/a&gt;&lt;/div&gt;&amp;nbsp;...&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 4.4pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: red;"&gt;Está estabelecido que a grande extinção das espécies que ocorreu na transição do Cretácio para o Terciário (a chamada fronteira C/T), foi causado por um asteróide que caiu na Terra. Mais precisamente em Chicxulub,&lt;/span&gt; &lt;span style="color: red;"&gt;&amp;nbsp;na península do Yucatan, no México, há cerca de 65 milhões de anos, tendo aniquilado os dinossauros e mais de metade das espécies animais, de então. &lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="margin-right: 4.4pt; text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: red;"&gt;O asteróide teria uma envergadura duns 15 quilómetros e, ao embater na Terra, desenvolveu uma energia equivalente a um milhão de vezes a da bomba atómica de Hiroshima. As poeiras que produziu, ofuscaram completamente a luz solar, a nível planetário, produzindo um inverno duradoiro e negro.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;b&gt;&lt;span style="color: red; font-family: &amp;quot;Times New Roman&amp;quot;; font-size: 12pt;"&gt;Curiosamente, a extinção dos dinossauros abriu caminho ao desenvolvimento das pequenas espécies de animais de sangue quente, nomeadamente as espécies mamárias, donde, mais tarde, surgiu o homem.&lt;span id="goog_1684378585"&gt;&lt;/span&gt;&lt;span id="goog_1684378586"&gt;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-5800133381213388291?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/5800133381213388291/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=5800133381213388291' title='4 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5800133381213388291'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/5800133381213388291'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/09/esta-estabelecido-que-grande-extincao.html' title='A EXTINÇÃO DOS DINOSSAUROS'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_gwiQZ4uXrnI/TJ_vfm-v9uI/AAAAAAAACTw/6FHkw8hUb-w/s72-c/dinosaur-images-076-resize.jpg' height='72' width='72'/><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-1000746921102352960</id><published>2010-09-21T17:45:00.000-07:00</published><updated>2010-09-21T17:45:17.017-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='grupo Local'/><category scheme='http://www.blogger.com/atom/ns#' term='andrómeda galáxia'/><category scheme='http://www.blogger.com/atom/ns#' term='triângulo galáxia'/><category scheme='http://www.blogger.com/atom/ns#' term='nuvens de Magalhães'/><title type='text'>A GALÁXIA DE ANDRÓMEDA</title><content type='html'>&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;/div&gt;&lt;div class="separator" style="clear: both; color: #fff2cc; text-align: center;"&gt;..&lt;/div&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:WordDocument&gt;   &lt;w:View&gt;Normal&lt;/w:View&gt;   &lt;w:Zoom&gt;0&lt;/w:Zoom&gt;   &lt;w:HyphenationZone&gt;21&lt;/w:HyphenationZone&gt;   &lt;w:PunctuationKerning/&gt;   &lt;w:ValidateAgainstSchemas/&gt;   &lt;w:SaveIfXMLInvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt;   &lt;w:IgnoreMixedContent&gt;false&lt;/w:IgnoreMixedContent&gt;   &lt;w:AlwaysShowPlaceholderText&gt;false&lt;/w:AlwaysShowPlaceholderText&gt;   &lt;w:Compatibility&gt;    &lt;w:BreakWrappedTables/&gt;    &lt;w:SnapToGridInCell/&gt;    &lt;w:WrapTextWithPunct/&gt;    &lt;w:UseAsianBreakRules/&gt;    &lt;w:DontGrowAutofit/&gt;   &lt;/w:Compatibility&gt;   &lt;w:BrowserLevel&gt;MicrosoftInternetExplorer4&lt;/w:BrowserLevel&gt;  &lt;/w:WordDocument&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:LatentStyles DefLockedState="false" LatentStyleCount="156"&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt; /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;}&lt;/style&gt; &lt;![endif]--&gt;  &lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;img border="0" height="290" src="http://1.bp.blogspot.com/_gwiQZ4uXrnI/TJlPSgUzP0I/AAAAAAAACTI/JqKZlqR8Ljw/s400/AndromedaRGB12L.jpg" style="margin-left: auto; margin-right: auto;" width="400" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;imagem google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div class="MsoNormal" style="color: #fff2cc; text-align: justify;"&gt;&amp;nbsp;.&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #274e13; text-align: justify;"&gt;&lt;b&gt;A galáxia de Andrómeda &lt;span&gt;&amp;nbsp;&lt;/span&gt;(a M 31, do catálogo de Messier), é a mais próxima da nossa Via Láctea. Pertence ao chamado Grupo Local, constituído por umas 40 galáxias. A seguir à Andrómeda e à Via Láctea, por ordem de grandeza, destaca-se a do Triângulo (M 33) e as duas Nuvens de Magalhães (visíveis no hemisfério austral). &lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #274e13; text-align: justify;"&gt;&lt;b&gt;Crê-se que foi o persa Abd-al-Rahman Al-Sufi quem a descreveu pela primeira vez, no ano de 964.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #274e13; text-align: justify;"&gt;&lt;b&gt;Andrómeda é bem maior que a nossa galáxia (mais de 400 mil milhões de estrelas), e dista de nós uns 2 milhões e 500 mil anos-luz.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #274e13; text-align: justify;"&gt;&lt;b&gt;É visível apenas no hemisfério norte. Encontra-se facilmente se procurarmos a constelação do mesmo nome, pois é visível a olho nu, em céus escuros. Pode ser melhor visionada com binóculos.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-1000746921102352960?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/1000746921102352960/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=1000746921102352960' title='8 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1000746921102352960'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/1000746921102352960'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/09/galaxia-de-andromeda.html' title='A GALÁXIA DE ANDRÓMEDA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_gwiQZ4uXrnI/TJlPSgUzP0I/AAAAAAAACTI/JqKZlqR8Ljw/s72-c/AndromedaRGB12L.jpg' height='72' width='72'/><thr:total>8</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-8839768733277305535</id><published>2010-09-15T11:58:00.000-07:00</published><updated>2010-09-15T17:16:37.717-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='supergigante'/><category scheme='http://www.blogger.com/atom/ns#' term='Ares'/><category scheme='http://www.blogger.com/atom/ns#' term='Escorpião'/><category scheme='http://www.blogger.com/atom/ns#' term='Antares'/><category scheme='http://www.blogger.com/atom/ns#' term='Anti-Ares'/><category scheme='http://www.blogger.com/atom/ns#' term='Tipo espectral de estrelas'/><title type='text'>ANTARES</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_gwiQZ4uXrnI/RrN7pLM7ryI/AAAAAAAAATI/Doe0aGdqp5M/s1600-h/SOL++ANTARES.jpg"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5094551550798049058" src="http://1.bp.blogspot.com/_gwiQZ4uXrnI/RrN7pLM7ryI/AAAAAAAAATI/Doe0aGdqp5M/s400/SOL++ANTARES.jpg" style="float: left; margin: 0px 10px 10px 0px;" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="color: #993399;"&gt;Antares é uma estrela de colossais dimensões, que se pode ver a meio do Escorpião. Como é a mais brilhante da constelação, é-lhe atribuída a letra grega alfa.&lt;br /&gt;Sendo uma supergigante vermelha, tem no entanto, associada a ela, uma outra estrela, umas quatro ou cinco vezes maior que o Sol, gravitando muito longe, a mais de 500 vezes a distância Sol/Plutão!&lt;br /&gt;É uma das mais brilhantes do céu e já era bem conhecida na Antiguidade, por egípcios, árabes e persas.&lt;br /&gt;O seu brilho é 10.000 vezes o do Sol, encontrando-se à distância já respeitável de 600 anos-luz. Deve o seu nome (anti-Ares) ao facto de ser vermelha (como Marte, o planeta vermelho - o Ares dos gregos), rivalizando-o em cor e tonalidade. Na verdade, a aproximadamente cada uns vinte cinco anos, Marte parece chegar às imediações de Antares, na projecção celeste.&lt;br /&gt;Se por hipótese, Antares estivesse onde está o Sol, então, Mercúrio, Vénus, a Terra e Marte teriam sido engolidos, pois a estrela estender-se-ia até à cintura de asteróides que gravita entre Marte e o Júpiter.&lt;br /&gt;Para finalizar este pequeno apontamento, diremos que a superfície da estrela é menos quente que a do Sol, pouco mais de 3.000º, estando classificada no tipo espectral M.&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-8839768733277305535?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/8839768733277305535/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=8839768733277305535' title='3 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8839768733277305535'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/8839768733277305535'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2007/08/antares.html' title='ANTARES'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_gwiQZ4uXrnI/RrN7pLM7ryI/AAAAAAAAATI/Doe0aGdqp5M/s72-c/SOL++ANTARES.jpg' height='72' width='72'/><thr:total>3</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-2714672259071496077</id><published>2010-09-09T20:25:00.000-07:00</published><updated>2010-09-09T20:35:21.656-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='eclipses'/><category scheme='http://www.blogger.com/atom/ns#' term='equinócio'/><category scheme='http://www.blogger.com/atom/ns#' term='ocaso de estrelas'/><category scheme='http://www.blogger.com/atom/ns#' term='origem'/><category scheme='http://www.blogger.com/atom/ns#' term='assombro'/><category scheme='http://www.blogger.com/atom/ns#' term='neardenthalis'/><category scheme='http://www.blogger.com/atom/ns#' term='cefeu mitologia'/><category scheme='http://www.blogger.com/atom/ns#' term='solstício'/><category scheme='http://www.blogger.com/atom/ns#' term='ramipithecus'/><category scheme='http://www.blogger.com/atom/ns#' term='cro-magnon'/><category scheme='http://www.blogger.com/atom/ns#' term='espírito'/><category scheme='http://www.blogger.com/atom/ns#' term='stonehenge'/><category scheme='http://www.blogger.com/atom/ns#' term='tudo'/><category scheme='http://www.blogger.com/atom/ns#' term='céu nocturno'/><title type='text'>AS ORIGENS DA ASTRONOMIA</title><content type='html'>&lt;meta content="text/html; charset=utf-8" http-equiv="Content-Type"&gt;&lt;/meta&gt;&lt;meta content="Word.Document" name="ProgId"&gt;&lt;/meta&gt;&lt;meta content="Microsoft Word 11" name="Generator"&gt;&lt;/meta&gt;&lt;meta content="Microsoft Word 11" name="Originator"&gt;&lt;/meta&gt;&lt;link href="file:///C:%5CDOCUME%7E1%5Cuser%5CDEFINI%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml" rel="File-List"&gt;&lt;/link&gt;&lt;o:smarttagtype name="metricconverter" namespaceuri="urn:schemas-microsoft-com:office:smarttags"&gt;&lt;/o:smarttagtype&gt;&lt;style&gt;&lt;!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal	{mso-style-parent:"";	margin:0cm;	margin-bottom:.0001pt;	mso-pagination:widow-orphan;	text-autospace:none;	font-size:10.0pt;	font-family:"Times New Roman";	mso-fareast-font-family:"Times New Roman";}@page Section1	{size:419.6pt 21.0cm;	margin:1.0cm 10.2pt 35.45pt 35.45pt;	mso-header-margin:35.45pt;	mso-footer-margin:42.55pt;	mso-paper-source:0;}div.Section1	{page:Section1;}--&gt;&lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="margin-left: -7.1pt; text-align: center;"&gt;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;meta content="text/html; charset=utf-8" http-equiv="Content-Type"&gt;&lt;/meta&gt;&lt;meta content="Word.Document" name="ProgId"&gt;&lt;/meta&gt;&lt;meta content="Microsoft Word 11" name="Generator"&gt;&lt;/meta&gt;&lt;meta content="Microsoft Word 11" name="Originator"&gt;&lt;/meta&gt;&lt;link href="file:///C:%5CDOCUME%7E1%5Cuser%5CDEFINI%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml" rel="File-List"&gt;&lt;/link&gt;&lt;o:smarttagtype name="metricconverter" namespaceuri="urn:schemas-microsoft-com:office:smarttags"&gt;&lt;/o:smarttagtype&gt;&lt;style&gt;&lt;!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal	{mso-style-parent:"";	margin:0cm;	margin-bottom:.0001pt;	mso-pagination:widow-orphan;	text-autospace:none;	font-size:10.0pt;	font-family:"Times New Roman";	mso-fareast-font-family:"Times New Roman";}@page Section1	{size:612.0pt 792.0pt;	margin:70.85pt 3.0cm 70.85pt 3.0cm;	mso-header-margin:36.0pt;	mso-footer-margin:36.0pt;	mso-paper-source:0;}div.Section1	{page:Section1;}--&gt;&lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="color: #660000; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 12pt;"&gt;O Homem é um animal curioso e deve o seu estado actual de desenvolvimento, a esse espírito diligente e singular.&amp;nbsp; Não andaremos longe da verdade se dissermos que desde sempre procurou conhecer tudo quanto o rodeia. Essa é a sua condição de humano, provavelmente já patente nos desígnios dos nossos tetravós europeus &lt;i&gt;Cro-Magnon&lt;/i&gt; e &lt;i&gt;Neardenthalis&lt;/i&gt; ou, até mesmo, no mais remoto africano &lt;i&gt;Ramipithecus&lt;/i&gt;, donde, ao que tudo indica, descendemos. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 12pt;"&gt;Podemos dar-nos ao devaneio ou ao exercício de procurar escalar o passado mais longínquo e imaginar os nossos primitivos antepassados a olhar as estrelas do céu nocturno, com assombro e temor, procurando encontrar explicações para o seu brilho incorruptível, ou para outros eventuais fenómenos celestes que ante si se desenrolavam, fossem eles o simples esvaziamento e enchimento da Lua, fosse ele algum cometa ou uma super-nova a inundar de luz, os céus. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 12pt;"&gt;Infelizmente, muitas dessas explicações tinham pouco de coerência ou nexo. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 12pt;"&gt;Foi, por certo, o movimento do Sol que primeiro despertou os espíritos para uma possível referenciação para marcar o tempo. Depois, as alterações observadas no curso do Sol, ao longo do ano, deram-lhe o conhecimento da regular chegada das estações e as suas consequentes modificações atmosféricas, sendo datados dos anos próximos de &lt;st1:metricconverter productid="4000 a" w:st="on"&gt;4000 a&lt;/st1:metricconverter&gt;.C., os registos mais antigos da observação de acontecimentos astronómicos, no Egipto, na Mesopotânia e América Central. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 12pt;"&gt;Com esses novos dados era possível tirar partido das características e das particularidades das estações, de molde a melhor conduzir o amanho dos campos e a colheita das sementeiras. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #660000; text-align: justify;"&gt;&lt;b&gt;&lt;span style="font-size: 12pt;"&gt;Ao mesmo tempo, a observação do decurso do Sol, trouxe a inevitabilidade de outras anotações, onde se incluíam os eclipses. A primeira observação e registo desse fenómeno singular terá tido lugar na China, do ano de &lt;st1:metricconverter productid="2697 a" w:st="on"&gt;2697 a&lt;/st1:metricconverter&gt;.C.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&lt;span style="font-size: 12pt;"&gt;&lt;b style="color: #660000;"&gt;Mais tarde, o ocaso e o nascimento de algumas estrelas brilhantes terão passado a ser registados, um pouco por todo o lado, no planeta, por povos de diferentes civilizações e graus de desenvolvimento. Esses registos eram, particularmente, os dias dos equinócios e dos solestícios. Essas datas conduziram aos primeiros calendários solares, por volta de &lt;st1:metricconverter productid="2000 a" w:st="on"&gt;2000 a&lt;/st1:metricconverter&gt;.C. Conhece-se os que, por essas alturas, apareceram na Mesopotânia e em Stonehenge, nas Ilhas Britânicas, geralmente sob a forma de edificações em pedra e que, provavelmente, também envolviam um sentimento religioso. Como é sabido, os povos mais antigos atribuíam um enorme significado aos acontecimentos celestes, e isso terá originado um conjunto de crenças, rituais e regras de índole religiosa, envoltas no maravilhoso mundo dos mitos e das narrativas fantásticas que prevaleceram durante séculos, em muitas civilizações.&lt;/b&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-2714672259071496077?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/2714672259071496077/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=2714672259071496077' title='5 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2714672259071496077'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/2714672259071496077'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/09/as-origens-da-astronomia.html' title='AS ORIGENS DA ASTRONOMIA'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><thr:total>5</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-7244775147252276359</id><published>2010-09-06T09:25:00.000-07:00</published><updated>2010-09-06T09:26:38.542-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='nebulosa de reflexão'/><category scheme='http://www.blogger.com/atom/ns#' term='sete-estrelo'/><category scheme='http://www.blogger.com/atom/ns#' term='catálogo Messier'/><category scheme='http://www.blogger.com/atom/ns#' term='Alcion'/><category scheme='http://www.blogger.com/atom/ns#' term='Messier'/><category scheme='http://www.blogger.com/atom/ns#' term='cúmulo de estrelas'/><category scheme='http://www.blogger.com/atom/ns#' term='aglomerado aberto'/><category scheme='http://www.blogger.com/atom/ns#' term='Plêiades'/><category scheme='http://www.blogger.com/atom/ns#' term='hemisférios'/><title type='text'>AS PLÊIADES</title><content type='html'>&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TIUT2Xr9X3I/AAAAAAAACSg/kj6IvpFAdRc/s1600/pleiades.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="285" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TIUT2Xr9X3I/AAAAAAAACSg/kj6IvpFAdRc/s400/pleiades.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;Imagem Google&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;meta content="text/html; charset=utf-8" http-equiv="Content-Type"&gt;&lt;/meta&gt;&lt;meta content="Word.Document" name="ProgId"&gt;&lt;/meta&gt;&lt;meta content="Microsoft Word 11" name="Generator"&gt;&lt;/meta&gt;&lt;meta content="Microsoft Word 11" name="Originator"&gt;&lt;/meta&gt;&lt;link href="file:///C:%5CDOCUME%7E1%5Cuser%5CDEFINI%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml" rel="File-List"&gt;&lt;/link&gt;&lt;style&gt;&lt;!-- /* Font Definitions */ @font-face	{font-family:Verdana;	panose-1:2 11 6 4 3 5 4 4 2 4;	mso-font-charset:0;	mso-generic-font-family:swiss;	mso-font-pitch:variable;	mso-font-signature:536871559 0 0 0 415 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal	{mso-style-parent:"";	margin:0cm;	margin-bottom:.0001pt;	mso-pagination:widow-orphan;	font-size:12.0pt;	font-family:"Times New Roman";	mso-fareast-font-family:"Times New Roman";}a:link, span.MsoHyperlink	{color:blue;	text-decoration:underline;	text-underline:single;}a:visited, span.MsoHyperlinkFollowed	{color:purple;	text-decoration:underline;	text-underline:single;}@page Section1	{size:612.0pt 792.0pt;	margin:70.85pt 3.0cm 70.85pt 3.0cm;	mso-header-margin:36.0pt;	mso-footer-margin:36.0pt;	mso-paper-source:0;}div.Section1	{page:Section1;}--&gt;&lt;/style&gt;  &lt;br /&gt;&lt;div class="MsoNormal" style="text-align: justify;"&gt;&amp;nbsp;&lt;span style="color: #fff2cc;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; text-align: justify;"&gt;&lt;b&gt;Charles Messier, um astrónomo francês do século XVIII, criou uma lista de 119 objectos celestes, denominado Catálogo de Messier. O M 45, as Plêiades, é um desses objectos. Trata-se dum grupo (um cúmulo de estrelas – aglomerado aberto) que se pode observar na constelação do Touro. É facilmente visível nos dois hemisférios. Têm uma cor predominantemente azul, o que desde logo indicia que são jovens e quentes&lt;/b&gt;&lt;b&gt;. &lt;/b&gt;&lt;b&gt;Por comparação, o Sol é uma estrela amarela, portanto "de meia idade"&lt;/b&gt;&lt;b&gt;. &lt;/b&gt;&lt;b&gt;Ter-se-ão formado nos últimos 100 milhões de anos&lt;/b&gt;&lt;b&gt; &lt;/b&gt;&lt;b&gt;e&lt;/b&gt;&lt;b&gt; &lt;/b&gt;&lt;b&gt;distam cerca de 380 anos-luz de nós.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; text-align: justify;"&gt;&lt;b&gt;À vista desarmada podem ver-se 7 estrelas ( conhecidas entre nós, por "sete-estrelo"), mas um apropriado instrumento óptico, mostra que são pelos menos umas quinhentas. A mais brilhante chama-se Alcion. Foram engendradas a partir da mesma nuvem de gás. Por isso têm a mesma idade e a mesma composição química.&lt;span style="font-family: Verdana;"&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; text-align: justify;"&gt;&lt;b&gt;A nebulosa onde se encontram, nada tem a ver com a nuvem de gases e poeiras de que se formaram as estrelas. Elas apenas atravessam essa "&lt;i&gt;nebulosa de reflexão&lt;/i&gt;" – assim chamada, porque rebrilha devido à reflexão da luz das estrelas incidindo nas poeiras.&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #073763; text-align: justify;"&gt;&lt;b&gt;Contudo, este aglomerado de jovens estrelas, não é estável. Pensa-se que as fortes interacções gravitacionais a que estão sujeitas, provindas de outras estrelas da Galáxia, as façam dispersar e afastar, dentro duns 250 milhões de anos.&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4681077596097508615-7244775147252276359?l=astronomia-algarve.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://astronomia-algarve.blogspot.com/feeds/7244775147252276359/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=4681077596097508615&amp;postID=7244775147252276359' title='7 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7244775147252276359'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4681077596097508615/posts/default/7244775147252276359'/><link rel='alternate' type='text/html' href='http://astronomia-algarve.blogspot.com/2010/09/as-pleiades.html' title='AS PLÊIADES'/><author><name>vieira calado</name><uri>https://profiles.google.com/117118838285830428199</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='32' src='//lh4.googleusercontent.com/-fuTQOa0ffsg/AAAAAAAAAAI/AAAAAAAAAAA/z7i8CbeeVrY/s512-c/photo.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_gwiQZ4uXrnI/TIUT2Xr9X3I/AAAAAAAACSg/kj6IvpFAdRc/s72-c/pleiades.jpg' height='72' width='72'/><thr:total>7</thr:total></entry><entry><id>tag:blogger.com,1999:blog-4681077596097508615.post-3833949871217012142</id><published>2010-09-01T13:30:00.000-07:00</published><updated>2010-09-01T18:12:37.932-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Wolf 359'/><category scheme='http://www.blogger.com/atom/ns#' term='calendários'/><category scheme='http://www.blogger.com/atom/ns#' term='constelação de leão'/><category scheme='http://www.blogger.com/atom/ns#' term='leo'/><category scheme='http://www.blogger.com/atom/ns#' term='fé'/><category scheme='http://www.blogger.com/atom/ns#' term='plantio'/><category scheme='http://www.blogger.com/atom/ns#' term='coração de leão'/><category scheme='http://www.blogger.com/atom/ns#' term='juba'/><category scheme='http://www.blogger.com/atom/ns#' term='Arp44'/><category scheme='http://www.blogger.com/atom/ns#' term='colheita'/><category scheme='http://www.blogger.com/atom/ns#' term='cauda'/><title type='text'>CONSTELAÇÃO DO LEÃO ou LEO</title><content type='html'>&lt;span style="color: #fff2cc;"&gt;-&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TH6uqmkfTsI/AAAAAAAACSI/h9W4aZDx3a4/s1600/esta+leo.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="320" src="http://2.bp.blogspot.com/_gwiQZ4uXrnI/TH6uqmkfTsI/AAAAAAAACSI/h9W4aZDx3a4/s400/esta+leo.jpg" width="400" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align: center;"&gt;&lt;a href="http://1.bp.blogspot.com/_gwiQZ4uXrnI/TH6vfxbZFaI/AAAAAAAACSY/3xXeAI38HN0/s1600/NGC4038_ssro.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"&gt;&lt;img border="0" height="277" src="http://1.bp.blogspot.com/_gwiQZ4uXrnI/TH6vfxbZFaI/AAAAAAAACSY/3xXeAI38HN0/s400/NGC4038_ssro.jpg" width="400" /&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="tr-caption" style="text-align: center;"&gt;&lt;span style="color: #741b47;"&gt;Arp44 (NGC 4038 e NGC 4039) - duas galáxias em colisão&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;meta content="text/html; 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 &lt;br /&gt;&lt;div class="MsoNormal" style="color: #20124d; margin-right: 13.95pt; text-align: justify;"&gt;&lt;b&gt;Há cerca de 30.000 anos (a dar fé a inscrições e construções em pedra, desses remotos tempos), o homem teria inventado as primeiras constelações.&lt;o:p&gt;&lt;/o:p&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #20124d; margin-right: 13.95pt; text-align: justify;"&gt;&lt;b&gt;Essas desenhos que o homem imaginava no céu, figuravam animais, objectos do seu quotidiano e seres mitológicos. A constatação do seu retorno anual às mesmas anteriores posições no fundo da abóbada celeste, está na origem dos primeiros calendários.&lt;o:p&gt;&lt;/o:p&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #20124d; margin-right: 13.95pt; text-align: justify;"&gt;&lt;b&gt;Serviam para marcar as épocas do ano, e ajudavam-no a melhor saber quando deveria fazer certas culturas agrícolas.&lt;o:p&gt;&lt;/o:p&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="color: #20124d; m
