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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=58" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=95525&size=small" /></div> <h1 class="ph">宇宙大爆炸由液态物质进化而来？ </h1> <p class="xg1"> 时间：2010-11-23 09:10<a class="zz" href="home.php?mod=space&uid=95525">作者：dameinv</a> 阅读<em id="_viewnum">(1409)</em> 评论: 0</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=58" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>日内瓦欧洲核子研究中心（CERN）的科学家们利用世界上最大的粒子加速器“大型强子对撞机”近日发现了颠覆性的现象：在宇宙刚 刚诞生的时候，一团气温高达10万亿摄氏度的液体就立即形成。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content">据英国《每日电讯》报道，日内瓦欧洲核子研究中心（CERN）的科学家们利用世界上最大的粒子加速器“大型强子对撞机”近日发现了颠覆性的现象：在宇宙刚 刚诞生的时候，一团气温高达10万亿摄氏度的液体就立即形成。这个发现令一些<a href="http://theory.oecr.com" target="_blank" class="relatedlink">物理</a>学家非常惊喜，因为关于宇宙形成之初到底发生了什么事情，他们一直抵触一 种已被普遍接受的观点：大爆炸抛出一团超热气体，这些气体聚集起来形成物质。<BR><BR>宇宙由液态物质进化而来<BR><BR>根据他们的研究，这团粘稠、软胶状的物质是一种“夸克胶子等离子体”，性质则类似于热的液体。这种物质给第一粒子和原子的形成提供了绝好的环境，粒子形成后才渐渐组成了现在环绕我们的恒星和星系。<BR><BR>伯明翰大学的粒子物理学家大卫·伊万斯博士解释说：“在宇宙最初一刻，它确实是像一团非常浓稠的液体。”他是英国在这项实验中的主要研究者，“这些结论给我们展现了宇宙最早的演化过程，并且必定会对现在宇宙的景观造成影响。我们还需要更多的分析和思考去理解这个现象”<BR><BR>超过1000名研究者参与<BR><BR>这项结论将会首次以由超过1000名研究者的多国团队名义发表，两周前他们就合力用大型强子对撞机开始实验工作。巨大的粒子加速器位于瑞法边境的阿尔卑斯山麓，深埋在300英尺的地底。<BR><BR>科学家们利用粒子加速器让铅原子在一个叫做“ALICE”的探测器中碰撞，力图造出“迷你大爆炸”的效果，<a href="http://theory.oecr.com" target="_blank" class="relatedlink">理论</a>上可以创造出与宇宙形成后几分之一秒的时间内相似的条件。这些细小的火球在17英尺长的粒子加速器中形成，在不足一秒的时间里就达到了10万亿摄氏度的高温。再这样的温度下，原子和形成它们的粒子不复存在，熔化成其组成成分，夸克和胶子。</td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=1&idtype=aid&id=1305&hash=ff31cbdc24fa94690d6288694de3a97b&handlekey=clickhandle" id="click_aid_1305_1" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/jidan.gif" alt="" /><br />鸡蛋</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=2&idtype=aid&id=1305&hash=ff31cbdc24fa94690d6288694de3a97b&handlekey=clickhandle" id="click_aid_1305_2" onclick="showWindow(this.id, this.href);doane(event);"> <img 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