tag:blogger.com,1999:blog-17370294249693170152024-02-06T19:11:36.648-08:00Ciência e TecnologiaAilson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.comBlogger10125tag:blogger.com,1999:blog-1737029424969317015.post-4311240852607090822011-01-21T22:52:00.001-08:002011-01-21T22:52:28.433-08:00<a title="View VIOLONCELO - Introdução ao Estudo de Violoncelo - Guia completo (em português) on Scribd" href="http://www.scribd.com/doc/7576660/VIOLONCELO-Introducao-ao-Estudo-de-Violoncelo-Guia-completo-em-portugues" style="margin: 12px auto 6px auto; font-family: Helvetica,Arial,Sans-serif; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; display: block; text-decoration: underline;">VIOLONCELO - Introdução ao Estudo de Violoncelo - Guia completo (em português)</a> <object id="doc_218699822754818" name="doc_218699822754818" height="600" width="100%" type="application/x-shockwave-flash" data="http://d1.scribdassets.com/ScribdViewer.swf" style="outline:none;" > <param name="movie" value="http://d1.scribdassets.com/ScribdViewer.swf"><param name="wmode" value="opaque"><param name="bgcolor" value="#ffffff"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><param name="FlashVars" value="document_id=7576660&access_key=key-16lqzfli2w459afu6wyg&page=1&viewMode=list"><embed id="doc_218699822754818" name="doc_218699822754818" src="http://d1.scribdassets.com/ScribdViewer.swf?document_id=7576660&access_key=key-16lqzfli2w459afu6wyg&page=1&viewMode=list" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" height="600" width="100%" wmode="opaque" bgcolor="#ffffff"></embed> </object>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-40573363250094751742010-08-21T11:17:00.000-07:002010-10-30T15:35:05.813-07:00A lua está encolhendo, como uma maçã enrugando<span class="Apple-style-span" style="font-family: Arial; font-size: small;"><span class="Apple-style-span" style="font-size: 13px;"><span class="Apple-style-span" style="font-family: Arial, Verdana, Helvetica, sans-serif; line-height: 15px;"></span></span></span><br />
<div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center;"><span class="Apple-style-span" style="font-family: Arial; font-size: small;"><span class="Apple-style-span" style="font-size: 13px;"><span class="Apple-style-span" style="font-family: Arial, Verdana, Helvetica, sans-serif; line-height: 15px;"><a href="http://blogs.discovery.com/.a/6a00d8341bf67c53ef0133f32f28a9970b-pi" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: underline;"><span class="Apple-style-span" style="color: white;"><img alt="Apple" border="0" class="asset asset-image at-xid-6a00d8341bf67c53ef0133f32f28a9970b" src="http://blogs.discovery.com/.a/6a00d8341bf67c53ef0133f32f28a9970b-800wi" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 400px;" title="Apple" /></span></a></span></span></span></div><span class="Apple-style-span" style="font-family: Arial; font-size: small;"><span class="Apple-style-span" style="font-size: 13px;"><span class="Apple-style-span" style="font-family: Arial, Verdana, Helvetica, sans-serif; line-height: 15px;"><span class="Apple-style-span" style="color: white;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><a href="http://news.discovery.com/space/moon-horizon-optical-illusion.html" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">A lua é uma característica permanente em nossos céus</span></span></span></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">, mas é tão imutável quanto parece?</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Os cientistas consideram somente o satélite natural da Terra para ser um ambiente novo, um livro aberto ", onde a história do sistema solar está escrito.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Mas de acordo com novas observações pela NASA's Lunar Reconnaissance Orbiter (LRO), </span></span></span><a href="http://news.discovery.com/space/fresh-scar-on-the-moons-surface.html" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">há mais de crateras de impacto apenas</span></span></span></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;"> - nascido a partir do início do nosso dia violento desenvolvimento do sistema star - escrita na paisagem lunar.</span></span></span></div><div style="float: right; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 5px; padding-left: 10px; padding-right: 0pt; padding-top: 0pt; text-align: left; width: 278px;"><a href="http://news.discovery.com/videos/news-lcross-smashes-into-the-moon.html" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span class="Apple-style-span" style="color: white;"><img alt="nanotechnology" border="0" height="155" src="http://news.discovery.com/videos/2009/lcross.jpg" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" width="278" /></span><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Assista ao vídeo: NASA quebra o LCROSS e passou foguete Centaur para a Lua em busca de água na superfície lunar.</span></span></span></strong></a></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><a href="http://news.discovery.com/space/lowell-observatory-apollo-anniversary.html" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">SLIDE SHOW: 40 anos após o primeiro vôo tripulado pousos lunares, a mundialmente famosa Lowell Observatory re-vidas nesta época histórica para o voo espacial.</span></span></span></a></strong></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Relatado em um novo papel definido para publicação em 20 de agosto a nova edição da revista </span></span></span><em style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Science</span></span></span></em><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">previamente indetectado relevo, tem sido manchado por LRO câmera de alta resolução.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Estes relevos são conhecidos como "escarpas" e foram inicialmente identificados em fotografias tiradas </span></span></span><a href="http://news.discovery.com/apollo-program/" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">pela Apollo 15, 16 e 17 missões</span></span></span></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">No entanto, o lobate escarpas visto nestas missões início parecia ser agrupado em torno das regiões equatoriais.</span></span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Agora, observações de alta resolução feitas pela LRO revelaram mais 14 escarpas previamente desconhecido, significando que eles podem ser encontrados por toda a superfície da lua.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">escarpas são levantadas características de aproximadamente 9 metros de altura por vários quilómetros de comprimento que formam ao longo de falhas de empurrão.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Na Terra, </span></span></span><a href="http://earthquake.usgs.gov/learn/glossary/?termID=59" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">falhas de empurrão</span></span></span></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;"> são óbvias como velhos rock é obrigado a levantar e dobre mais jovens de rock - este é causada pela compressão.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Para um corpo activo geologicamente como a Terra, isto é comum, mas a lua não é geologicamente activa.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">O que está criando essa pressão?</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><a href="http://blogs.discovery.com/.a/6a00d8341bf67c53ef0133f32f2a4e970b-pi" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; float: left; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span class="Apple-style-span" style="color: white;"><img alt="Scarp-lunar" class="asset asset-image at-xid-6a00d8341bf67c53ef0133f32f2a4e970b" src="http://blogs.discovery.com/.a/6a00d8341bf67c53ef0133f32f2a4e970b-320wi" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 5px; margin-left: 0px; margin-right: 5px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Scarp-lunar" /></span></a></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">"Relativamente jovem, falhas de empurrão globalmente distribuídos recentes mostram contração da lua inteira, provavelmente devido ao arrefecimento do interior lunar. A quantidade de [contração do centro da lua lunar] superfície é estimada em cerca de 100 metros no recente passado ", disse Thomas Watters, do Centro de Estudos da Terra e Planetárias no Museu Nacional de Aeronáutica e Espaço e autor do papel.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">David Morrison, </span></span></span><a href="http://lunarscience.arc.nasa.gov/" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">cientista sênior do Instituto de Ciência Lunar da NASA</span></span></span></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;"> e do "NASA</span></span></span><a href="http://astrobiology.nasa.gov/ask-an-astrobiologist/" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">astrobiólogo Pergunte a um</span></span></span></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">especialista "que não estava envolvido com esta pesquisa, comparando o processo para as rugas que se formam em uma maçã velha como ele desidrata e encolhe.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">"Você está tentando encaixar o [crosta da lua] em torno de um menor interior, ea única maneira que pode acontecer é se estes constituem escarpas," Morrison disse Discovery News.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">"No sistema da Terra, onde você tem as placas tectônicas, você tem tantos novos vazios criados como montanhas empurradas para cima", acrescentou, ressaltando que não há provas sobre a superfície lunar para esses "vazios" - ou regiões onde a crosta lunar foi puxado para além de equilibrar as regiões de compressão causando o escarpas.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">A lua tem apenas regiões de compressão, enrugamento da superfície.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">A conclusão lógica é, portanto, que o núcleo da lua encolheu ea crosta minado sob a compressão resultante.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Outro fato interessante sobre estes recém-descobertos escarpas é a sua jovem idade aparente.</span></span><span class="Apple-style-span" style="color: white;"> </span><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Junto a falhas de empurrão, algumas pequenas crateras de impacto ter sido substituído por escarpas (foto acima), dando uma idéia de que as escarpas são deve ter se formado </span></span></span><em style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">depois de</span></span></span></em><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;"> alguns impactos lunares antiga.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><a href="http://blogs.discovery.com/.a/6a00d8341bf67c53ef0133f32f3071970b-pi" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><span class="Apple-style-span" style="color: white;"><img alt="Lobate-scarp" border="0" class="asset asset-image at-xid-6a00d8341bf67c53ef0133f32f3071970b image-full" src="http://blogs.discovery.com/.a/6a00d8341bf67c53ef0133f32f3071970b-800wi" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-top-style: none; border-top-width: 0px; margin-bottom: 10px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 632px;" title="Lobate-scarp" /></span></a><span class="Apple-style-span" style="color: white;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Embora este seja fascinante, a lua não é a única entidade celestial a mostrar sinais de retração.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">"Desde o primeiro Mariner 10 sobrevôo do planeta Mercúrio, uma das coisas que caracterizam a superfície é a falhas lobate mesmo impulso também atribuída ao encolhimento", disse Morrison.</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">"Até agora, Mercúrio era o único lugar que temos visto isso com o encolhimento da crosta de vários quilómetros. Agora parece que está acontecendo em nosso próprio quintal também."</span></span></span></div><div style="line-height: 1.3em; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><em style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: inline; font-size: 13px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Imagens (de cima): A maçã amassada (iStockPhoto), a observação escarpa LRO mais crateras substituído e uma visão oblíqua de um impulso lobate do LRO (NASA / GSFC / Arizona State University).</span></span></span></em></div></span></span></span>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-34649104269535127982010-08-19T21:32:00.000-07:002010-08-19T21:32:07.872-07:00Descoberta de estrela magnética colossal desafia a teoria dos buracos negros<span class="Apple-style-span" style="color: #4a4a4a; font-family: Arial, sans-serif; font-size: 14px; line-height: 18px;"></span><br />
<h2 class="subtitle" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-size: 16px; font-weight: bold; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">Estrela que deu origem ao astro magnético teria 40 vezes a massa do Sol</span></h2><div class="img-article" style="background-attachment: initial; background-clip: initial; background-color: #f0f0ee; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 23px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 598px;"><span class="Apple-style-span" style="color: white;"><img alt="Magnetar" src="http://veja.abril.com.br/assets/pictures/15913/estrela-magnetica-size-598.jpg?1282225178" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Estrela magnética" width="598" /></span><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-size: 11px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 5px; padding-left: 5px; padding-right: 5px; padding-top: 5px;"><span class="Apple-style-span" style="color: white;">Concepção artística de uma estrela de nêutrons magnética, ou magnetar, com as linhas representando o campo magnético </span><span style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 5px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">(ESO)</span></span></div></div><div class="destaque_article" style="border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 2px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-color: rgb(0, 0, 0); border-top-style: solid; border-top-width: 4px; clear: both; float: left; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 10px; margin-left: 0px; margin-right: 20px; margin-top: 5px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 2px; padding-left: 0px; padding-right: 0px; padding-top: 2px; width: 223px;"><div class="list_article" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><div style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: Tahoma, Arial, sans-serif; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 9px; padding-left: 0px; padding-right: 0px; padding-top: 10px;"><span class="Apple-style-span" style="color: white;">Estrelas com massa 25 vezes maior que o Sol deveriam se tornar buracos negros. Esta contrariou a teoria e formou uma estrela de nêutrons</span></div></div></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">Astrônomos encontraram uma estrela de nêutrons com um campo magnético bilhões de vezes maior do que a Terra. É tão grande que, de acordo com os especialistas, a estrela que deu origem ao astro magnético teria 40 vezes a massa do Sol. Se isso for verdade, as teorias do buraco negro e do nascimento de estrelas terão que ser reavaliadas. A magnetar — um tipo específico de estrela de nêutrons que emite campo magnético — encontrada pelos cientistas está a 16.000 anos-luz da Terra em uma região chamada </span><i style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">Westerlund 1</span></i><span class="Apple-style-span" style="color: white;">, um dos maiores aglomerados de estrelas gigantes de Via Láctea.</span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;"> </span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">A teoria mais aceita diz que estrelas com massa 25 vezes maior que a do Sol formariam buracos negros, e não estrelas de nêutrons. Nesse caso, a estrela que deu origem à magnetar deveria ter se tornado um buraco negro porque ela era grande demais. A explicação, segundo os autores do artigo publicado no periódico </span><i style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">Astronomy and Astrophysics</span></i><span class="Apple-style-span" style="color: white;">, é que a estrela mãe foi "rebaixada" a uma massa menor, permitindo que ela se tornasse uma estrela de nêutrons. Isso aconteceu porque, segundo os astrônomos, a estrela que deu origem à magnetar nasceu com uma companheira.</span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;"> </span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">À medida que as duas estrelas evoluíam, elas começaram a interagir, e a companheira começou a roubar massa da estrela que originou o astro magnético encontrado pelos cientistas. Depois de muito tempo, a progenitora explodiu transformando-se em uma supernova. A ligação entre as duas estrelas foi rompida com a explosão e ambas foram ejetadas do aglomerado onde estavam, deixando apenas resquícios brilhantes — as magnetares.</span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;"> </span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">Se isso tiver realmente acontecido, esse sistema binário pode ter um papel fundamental na evolução de estrelas e formação de buracos negros, de acordo com os autores do artigo. O sistema pode ser a "dieta cósmica suprema" para estrelas pesadas, diminuindo mais de 95% de sua massa, disseram os especialistas.</span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;"> </span></div><div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; outline-color: initial; outline-style: none; outline-width: initial; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: white;">Nascimento -</span></strong><span class="Apple-style-span" style="color: white;"> Uma estrela de nêutrons nasce quando uma estrela que possui entre 10 e 25 vezes a massa do Sol esgota sua energia nuclear e passa por uma explosão gigantesca, chamada supernova. Instantes antes dessa explosão, a região central da estrela se contrai com a gravidade, fazendo com que prótons e elétrons se combinem para formar nêutrons, daí o nome "estrela de nêutrons"</span></div>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-16017611037358397372010-08-17T19:12:00.000-07:002010-08-17T19:12:15.812-07:00Cientistas fazem mapa da gravidade da terra<span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPvP184hNBUiXyEj6G_aespZJUncpNuPrpXFoamSYQPxHkHpFkK-5w0xsE6OygQVeVc0lFbEuLyR8VxG87Tu82DRfXtS-XTCfJLHvB6zzbJTSwkLxDdtoXNzuvFZG0UPm5mt1FtI4QGpPx/s1600/mapa+gravidade+da+terra.jpg" style="font-weight: bold; text-decoration: underline;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5488235190583676050" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPvP184hNBUiXyEj6G_aespZJUncpNuPrpXFoamSYQPxHkHpFkK-5w0xsE6OygQVeVc0lFbEuLyR8VxG87Tu82DRfXtS-XTCfJLHvB6zzbJTSwkLxDdtoXNzuvFZG0UPm5mt1FtI4QGpPx/s320/mapa+gravidade+da+terra.jpg" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(227, 228, 228); border-bottom-style: solid; border-bottom-width: 1px; border-color: initial; border-left-color: rgb(227, 228, 228); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(227, 228, 228); border-right-style: solid; border-right-width: 1px; border-style: initial; border-top-color: rgb(227, 228, 228); border-top-style: solid; border-top-width: 1px; cursor: pointer; float: right; height: 240px; margin-bottom: 10px; margin-left: 10px; margin-right: 0px; margin-top: 0px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; width: 320px;" /></a></span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"><span class="Apple-style-span" style="color: #5d5850; font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 13px;"></span></span><br />
<div style="-webkit-background-clip: initial; -webkit-background-origin: initial; background-attachment: initial; background-color: transparent; background-image: initial; background-repeat: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-size: 12px; line-height: 14px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 16px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Cientistas criaram um "mapa da gravidade" terrestre, mostrando as diferentes influências desta força física ao redor do planeta. O modelo, conhecido como geoide, define onde estão os níveis da superfície terrestre, esclarecendo se o sentido é "para cima" ou "para baixo".</span></div><div style="-webkit-background-clip: initial; -webkit-background-origin: initial; background-attachment: initial; background-color: transparent; background-image: initial; background-repeat: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-size: 12px; line-height: 14px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 16px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Os cientistas afirmam que os dados podem ser usados em inúmeras aplicações, entre elas nos estudos de mudança climática para ajudar a entender como a grande massa de oceanos move calor ao redor da Terra.</span></div><div style="-webkit-background-clip: initial; -webkit-background-origin: initial; background-attachment: initial; background-color: transparent; background-image: initial; background-repeat: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-size: 12px; line-height: 14px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 16px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">O novo mapa foi apresentado em um simpósio sobre observação terrestre em Bergen, na Noruega, onde também estão sendo apresentados dados recolhidos por outras missões da Agência Espacial Europeia (ESA, na sigla em inglês).</span></div><div style="-webkit-background-clip: initial; -webkit-background-origin: initial; background-attachment: initial; background-color: transparent; background-image: initial; background-repeat: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-size: 12px; line-height: 14px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 16px; outline-color: initial; outline-style: initial; outline-width: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span class="Apple-style-span" style="color: white;">Antes do fim da década, cerca de 20 missões da ESA, totalizando cerca de 8 bilhões de euros, serão lançadas para observar o espaço através de sondas.</span></div>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-74741016072866534142010-08-16T15:29:00.000-07:002010-08-16T15:29:34.734-07:00O Big Bang: a explicação.<object style="background-image:url(http://i3.ytimg.com/vi/rfkyGKN39qo/hqdefault.jpg)" width="425" height="344"><param name="movie" value="http://www.youtube.com/v/rfkyGKN39qo?fs=1&hl=pt_BR"><param name="allowFullScreen" value="true"><param name="allowscriptaccess" value="always"><embed src="http://www.youtube.com/v/rfkyGKN39qo?fs=1&hl=pt_BR" width="425" height="344" allowscriptaccess="never" allowfullscreen="true" wmode="transparent" type="application/x-shockwave-flash"></embed></object>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-42735354112088429672010-08-15T06:11:00.000-07:002010-08-15T06:15:16.523-07:00Nova espécie de macaco encontrado na Floresta Amazônica<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbDYK33YswXRFx_LsqMEhEf1FLnDsTGH9pcrdiNyCGjzMI2PJzvBBHsJ18rrHxycMcqAx-J8-naDGHx5tcUfVPgZwVxnucDLjEPzg9cmrRj9JcYEHVs84qMerCddGMnLOihwRFrMAAmmXP/s1600/Callicebuscaquetensis600-size-598.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="color: white;"><img border="0" height="240" ox="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbDYK33YswXRFx_LsqMEhEf1FLnDsTGH9pcrdiNyCGjzMI2PJzvBBHsJ18rrHxycMcqAx-J8-naDGHx5tcUfVPgZwVxnucDLjEPzg9cmrRj9JcYEHVs84qMerCddGMnLOihwRFrMAAmmXP/s400/Callicebuscaquetensis600-size-598.jpg" width="400" /></span></a></div><span style="color: white;">Com cerca de 250 indivíduos na natureza, o Callicebus caquetensis já está ameaçado de extinção</span><br />
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<span style="color: white;">O Callicebus caquetensis, nova espécie de macaco sauá descoberta na Colômbia (Divulgação) </span><br />
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<span style="color: white;">Os primeiros indivíduos da nova espécie foram achados em cativeiro, criados como animais de estimação</span><br />
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<span style="color: white;">Foi anunciada nesta-quinta a descoberta de uma nova espécie de macaco sauá (ou macaco titi, em inglês), batizado de Callicebus caquetensis. O primata foi visto pela primeira vez em 2008 por uma equipe do departamento de biologia da Universidade Nacional da Colômbia, em Bogotá. </span><br />
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<span style="color: white;">Os primeiros macacos foram achados em cativeiro, criados como animais de estimação por moradores da região de Caquetá, perto da fronteira com Peru e Equador. A espécie já surge extremamente ameaçada. Os pesquisadores estimam que existam apenas 250 indivíduos, que vivem em uma área menor que 100 km2.</span><br />
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<span style="color: white;">A região onde foi feita a descoberta era foco da ação de guerrilhas até bem pouco tempo, o que dificultou a pesquisa. Hoje, a sobrevivência dos animais está ameaçada pela perda de seu habitat para a agricultura. Os responsáveis pela descoberta recomendaram a criação de reservas especiais para os macacos.</span><br />
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<span style="color: white;">O Callicebus caquetensis tem o mesmo tamanho que um gato doméstico. Outras espécies de macacos sauá vivem na Amazônia brasileira e na Mata Atlântica.</span>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-37482285911904942882010-08-13T09:05:00.001-07:002010-08-13T09:05:22.861-07:00Orangotangos usam mímica pra se comunicar<span class="Apple-style-span" style="border-collapse: collapse; font-family: arial, sans-serif; font-size: 13px;"><span class="Apple-style-span" style="color: white;">Em um vídeo, um orangotango, uma fêmea chamada Siti, tenta fazer com que o homem a ajude a quebrar um coco<br />
</span><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTqoSa1he7XvP5cPx_wOeiBWOaQALHT0Voc7_vSzGY63acofYNrpuTVLbDRuFdYZwxDK2SJFN7-AOsNlPr8qhiFNQlXoI18kybKlKSyY9xqUpqJhHqsbkFcWzW_wGrMDCwcr9LmFj0A7Wo/s1600/oran.jpg" target="_blank"><img alt="" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTqoSa1he7XvP5cPx_wOeiBWOaQALHT0Voc7_vSzGY63acofYNrpuTVLbDRuFdYZwxDK2SJFN7-AOsNlPr8qhiFNQlXoI18kybKlKSyY9xqUpqJhHqsbkFcWzW_wGrMDCwcr9LmFj0A7Wo/s320/oran.jpg" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; float: right; height: 240px; margin-bottom: 10px; margin-left: 10px; margin-right: 0px; margin-top: 0px; width: 320px;" /></a><span class="Apple-style-span" style="color: white;"><br />
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Assim como os seres humanos, os orangotangos também usam mímica para se comunicar, disseram cientistas na publicação científica Biology Letters.<br />
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Em um vídeo, um orangotango, uma fêmea chamada Siti, tenta fazer com que o homem a ajude a quebrar um coco. Ela pega um pedaço de palmeira e bate repetidas vezes no coco, imitando a ação que o homem a sua frente faria com seu facão para abrir a fruta.<br />
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http://noticias.terra.com.br/ciencia/noticias/0,,OI4617303-EI8145,00-Orangotangos+usam+mimica+para+se+comunicar.html</span></span>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-42950850715777906302010-08-08T16:36:00.000-07:002010-08-08T16:36:06.327-07:00O que aconteceu antes do big-bang?<span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: 12px;"><span class="Apple-style-span" style="color: white;">Não existe uma teoria comprovada, e o mais provável é que ainda leve muito tempo para descobrirmos. Isso porque o próprio conceito do big- bang (“grande explosão”) ainda é polêmico. Ele estipula que o </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> surgiu de um ponto (ou “singularidade”) sem volume, mas com densidade e temperatura monstruosos, quase incalculáveis. Para completar, diz ainda que as leis da física conhecidas não se aplicariam no seu caso. Por causa disso, muitos cientistas duvidam da Teoria do Big-Bang e sugerem outros modelos para a formação do </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;">. Entre os que acreditam que a grande explosão tenha existido, porém, a teoria M é uma das mais aceitas para explicar o que havia antes de tudo. :-P <br style="font-family: Arial, Helvetica, sans-serif;" /></span><strong style="font-family: Arial, Helvetica, sans-serif;"><span class="Apple-style-span" style="color: white;">NA PRÁTICA, A TEORIA É OUTRA</span></strong><span class="Apple-style-span" style="color: white;"><br style="font-family: Arial, Helvetica, sans-serif;" />Veja como cada corrente teórica tenta explicar o </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> antes do big-bang<br style="font-family: Arial, Helvetica, sans-serif;" /><br style="font-family: Arial, Helvetica, sans-serif;" />GRANDE ACIDENTE (1969)<br style="font-family: Arial, Helvetica, sans-serif;" />Nosso </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> é composto de uma série de forças que se anulam. A energia resultante é zero. Se o </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> é um zero absoluto, nada é preciso para originá-lo! É o que dizem os acidentalistas: antes do </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> não havia tempo, </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=espa%E7o" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">espaço</span></a><span class="Apple-style-span" style="color: white;">ou </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=mat%E9ria" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">matéria</span></a><span class="Apple-style-span" style="color: white;">. Por acidente, uma “flutuação” nessa espécie de vácuo originou o nosso </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;">. Seu formulador foi o físico Edward P. Tryon, do Hunter College (EUA).<br style="font-family: Arial, Helvetica, sans-serif;" /><br style="font-family: Arial, Helvetica, sans-serif;" />TEORIA M (1995)<br style="font-family: Arial, Helvetica, sans-serif;" />Existem universos paralelos ao nosso. O big-bang teria sido resultado do choque entre dois deles: a energia da </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=colis%E3o" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">colisão</span></a><span class="Apple-style-span" style="color: white;"> teria gerado a </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=mat%E9ria" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">matéria</span></a><span class="Apple-style-span" style="color: white;"> e a energia em nosso </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;">. E mais: o big-bang pode ter sido apenas o último choque de uma série, sendo que os universos deverão se colidir de novo no futuro. Seus formuladores foram os adeptos da Teoria das </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Supercordas" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Supercordas</span></a><span class="Apple-style-span" style="color: white;"> e professores da Universidade de Princeton (EUA),<br style="font-family: Arial, Helvetica, sans-serif;" /><br style="font-family: Arial, Helvetica, sans-serif;" />GRAVIDADE QUÂNTICA EM LOOP (2007)<br style="font-family: Arial, Helvetica, sans-serif;" />Existia antes um outro </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">universo</span></a><span class="Apple-style-span" style="color: white;">, que encolheu gradativamente até um minúsculo ponto, que então sofreu o big-bang e virou o </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> atual. E nós estamos fadados ao mesmo destino: nosso </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> irá crescer até certo tamanho, então começará a diminuir até que não possa mais encolher e vire um </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">universo</span></a><span class="Apple-style-span" style="color: white;"> novo. Pesquisador: Martin Bojowald, da Universidade do Estado da Pensilvânia (EUA) e seguidores.<br style="font-family: Arial, Helvetica, sans-serif;" /></span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=FLECHA%20DO%20TEMPO" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">FLECHA DO TEMPO</span></a><span class="Apple-style-span" style="color: white;"> (2008)<br style="font-family: Arial, Helvetica, sans-serif;" />Nosso </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;"> teria “pipocado” dentro de um </span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">universo</span></a><span class="Apple-style-span" style="color: white;"> mãe feito de um tipo de vácuo gigante. Na verdade, esta teoria tenta explicar por que o tempo só anda em uma direção: porque foi ordenado assim desde o começo. Fora de nosso</span><a class="busca_supermundo" href="http://supermundo.abril.com.br/busca/?qu=Universo" style="font-family: Arial, Helvetica, sans-serif;" target="_self"><span class="Apple-style-span" style="color: white;">Universo</span></a><span class="Apple-style-span" style="color: white;">, porém, as leis da física relacionadas ao tempo poderiam ser diferentes. Foram os cientistas da Sociedade Astronômica Americana e do Instituto de Tecnologia da Califórnia (EUA) que bolaram essa teoria.</span></span>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-47751808852869930502010-08-07T17:07:00.001-07:002010-08-07T17:07:21.556-07:00Liberado teste de células troncos em seres humanos!<span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;">gência norte-americana permite que grupo que descobriu as células estude seu potencial terapêutico em pacientes</span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
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</span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;">Doze anos após o "nascimento" da primeira linhagem de células-tronco embrionárias humanas, na Universidade de Wisconsin, a Administração de Drogas e Alimentos dos Estados Unidos (FDA) autorizou hoje, pela primeira vez, que essas células sejam injetadas experimentalmente em seres humanos. O estudo será conduzido pela empresa de biotecnologia Geron, que financiou a pesquisa pioneira de Wisconsin, em 1998, e agora, após uma década de experimentos in vitro e com animais, poderá finalmente testar o potencial terapêutico de suas células no organismo humano. Trata-se do primeiro e único ensaio clínico com células-tronco embrionárias humanas aprovado no mundo até agora.</span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"> </span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
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</span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;">A empresa, com sede na Califórnia, vai recrutar até dez pacientes com lesões medulares para receber injeções de células nervosas progenitoras, produzidas pela diferenciação de células-tronco embrionárias humanas in vitro. A intenção é que essas células progenitoras, uma vez dentro da medula, se diferenciem em um tipo específico de célula do sistema nervoso central, chamada oligodendrócito, que reveste os nervos e permite a transmissão dos sinais elétricos enviados do cérebro para o restante do organismo.</span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"> </span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
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</span><span class="Apple-style-span" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px;">Em experimentos com ratos lesionados, a técnica se mostrou eficaz, devolvendo parte dos movimentos e do controle motor e sensorial aos animais. O início dos testes em humanos já havia sido autorizado em janeiro de 2009, mas o aparecimento de cistos na medula de alguns dos animais tratados fez com que a FDA colocasse a autorização "em espera", até que a empresa pudesse investigar a questão. A Geron anunciou hoje que aperfeiçoou os protocolos de segurança relacionados à diferenciação das células, fez novos experimentos com animais e conseguiu, novamente, luz verde da FDA para seguir em frente com o ensaios clínicos em seres humanos.</span>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0tag:blogger.com,1999:blog-1737029424969317015.post-51317659182802320852010-08-05T06:18:00.000-07:002010-08-05T06:18:05.715-07:00Aprenda a economizar energia de uma forma divertida!<span class="Apple-style-span" style="border-collapse: collapse; font-family: Verdana, sans-serif; font-size: 13px;"><span style="font-size: small;"><span class="Apple-style-span" style="color: #93c47d;">Evitar o desperdício de energia elétrica é uma lição de casa que pode virar rotina se for bem praticada. Para ajudar todo mundo a fazer isso, encontramos um aplicativo muito legal no orkut: o </span><b><a href="http://www.orkut.com/Main#AppInfo?appId=393433592898&ref=SR" target="_blank"><span class="Apple-style-span" style="color: #93c47d;">Eficasa</span></a></b><span class="Apple-style-span" style="color: #93c47d;">, um jogo que é ao mesmo tempo educativo e divertido.</span></span><span class="Apple-style-span" style="color: #93c47d;"><br />
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<div style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; text-align: center;"><a href="http://www.orkut.com/Main#AppInfo?appId=393433592898&ref=SR" style="margin-left: 1em; margin-right: 1em;" target="_blank"><span class="Apple-style-span" style="color: #93c47d;"><img border="0" height="292" src="http://3.bp.blogspot.com/_Ln0bvERl9jA/TEntuh0xu8I/AAAAAAAAATw/qsrABahc8go/s400/orkut_app_jogo_eficasa.png" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px;" width="400" /></span></a></div><span class="Apple-style-span" style="color: #93c47d;"><br />
</span><span style="font-size: small;"><span class="Apple-style-span" style="color: #93c47d;">A ideia do jogo é passar dicas práticas de como economizar energia no seu dia-a-dia. Cada jogador recebe uma casa virtual para cuidar dos seus aparelhos elétricos, e o objetivo é gastar a menor quantidade possível de energia para mantê-los funcionando.</span></span><span class="Apple-style-span" style="color: #93c47d;"><br />
</span><span style="font-size: small;"><span class="Apple-style-span" style="color: #93c47d;">A cada passo você ganha créditos de carbono, para trocar seus aparelhos, e aumenta a sua pontuação, que fica publicada em um ranking entre seus amigos do orkut.</span></span><span class="Apple-style-span" style="color: #93c47d;"><br />
</span><span style="font-size: small;"><span class="Apple-style-span" style="color: #93c47d;">Estamos muito felizes com </span><a href="http://www.orkut.com/Main#AppDirectory" target="_blank"><span class="Apple-style-span" style="color: #93c47d;">diversos aplicativos</span></a><span class="Apple-style-span" style="color: #93c47d;"> que estão no orkut, e temos nos surpreendido com jogos interessantes como o Eficasa. Divirta-se com esse aplicativo e não esqueça de mostrar para seus amigos e familiares o que você aprendeu. Todos saem ganhando com um uso consciente de energia!</span></span>Ailson Limahttp://www.blogger.com/profile/10259919488880308987noreply@blogger.com0