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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=54876&size=small" /></div> <h1 class="ph">LIGO也许探测到了暗物质 </h1> <p class="xg1"> 时间：2016-5-30 15:35<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1572)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4468&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></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>美国的激光干涉引力波天文台（LIGO）今年2月报告首次直接探测到了广义相对论预言的引力波，产生引力波的天体被认为是两个彼此靠近的黑洞。上周，一组研究人员在《Physical Review Letters》上发表论文，探讨了LIGO可 ...</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"><div><p style="text-align: center;"><a href="data/attachment/portal/201605/30/153349hop3fnwhnzapragw.jpg" target="_blank"><img src="data/attachment/portal/201605/30/153349hop3fnwhnzapragw.jpg"></a></p></div>美国的<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>干涉引力波天文台（LIGO）今年2月报告首次直接探测到了广义相对论预言的引力波，产生引力波的天体被认为是两个彼此靠近的黑洞。上周，一组研究人员在《Physical Review Letters》上发表论文，探讨了LIGO可能探测到暗物质的可能性，而暗物质可能就是黑洞。<div><br><div>暗物质不产生电磁波，无法直接观察到，在构成暗物质的可能天体和物质中，黑洞并不是主要的候选。如果黑洞构成了暗物质，那么它们也必须是原始黑洞——宇宙早期物质稠密的情况下形成的黑洞。当LIGO探测到两个正在合并的黑洞，科学家一开始认为这是极其幸运的事件。但黑洞的合并在宇宙中究竟是罕见还是很常见？研究人员估计黑洞的合并事件每年每吉秒差距空间内可能发生2到53次。他们认为，如果原始黑洞存在，它们在空间的分布类似暗物质，而LIGO观察到暗物质的可能性不能被立即排除。</div></div><div style="text-align: center;"><p><a href="data/attachment/portal/201605/30/153355ffblyo4qa5lfqsna.jpg" target="_blank"><img src="data/attachment/portal/201605/30/153355ffblyo4qa5lfqsna.jpg"></a></p><p>欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师<a href="http://club.oecr.com" target="_blank" class="relatedlink">社区</a>网站(oecr.com)编辑团队为您精选行业动态，科技资讯，技术解析，光电<a href="http://www.oecr.com/portal.php?mod=list&catid=62" target="_blank" class="relatedlink">科普</a>等精彩内容。</p></div></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" 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