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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=57" 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">月球射电望远镜或将帮助揭开暗物质之谜 </h1> <p class="xg1"> 时间：2025-10-20 09:51<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(411)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=10362&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=57" 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>日本科学家通过模拟宇宙“黑暗时代”中微弱的21厘米射电波，为探测暗物质提供了潜在的新途径。大约138亿年前，宇宙经历了剧烈的膨胀过程，即所谓的“宇宙大爆炸”。大爆炸结束后约40万年，宇宙进入了长达近1亿年的“ ...</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"><p id="417HTUH6" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 日本科学家通过模拟宇宙“黑暗时代”中微弱的21厘米射电波，为探测暗物质提供了潜在的新途径。大约138亿年前，宇宙经历了剧烈的膨胀过程，即所谓的“宇宙大爆炸”。大爆炸结束后约40万年，宇宙进入了长达近1亿年的“黑暗时代”，在这一阶段，宇宙没有星光，环境极为幽暗。</p><p id="417HTUH7" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 科学界认为，在这段时期，氢原子会释放出波长为21厘米的微弱射电信号。这些信号可能蕴藏着宇宙早期阶段的重要线索。</p><p class="f_center" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: center; line-height: 20px; font-size: 16px; color: rgb(102, 102, 102); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif;"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2025%2F1019%2F72ba5e72j00t4d98c002id000hs00b5g.jpg&thumbnail=660x2147483647&quality=80&type=jpg" style="box-sizing: inherit; border: 0px; max-width: 100%; margin-bottom: 10px;"><br style="box-sizing: inherit;"></p><p id="417HTUH8" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 来自日本筑波大学和东京大学的研究团队利用先进超级计算机，模拟了不同暗物质模型下21厘米信号的强度。暗物质是一种不可见物质，约占宇宙总物质的80%，但至今其本质仍是科学界的一大谜团。</p><p id="417HTUH9" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 通过重建早期宇宙中气体与暗物质的分布，研究人员能够精确计算出黑暗时代期间这些射电发射的强度。结果<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>，氢气在黑暗时代会产生大约1毫开尔文（千分之一摄氏度）左右的亮度温度信号。更重要的是，暗物质预计会引发与此量级相似的信号变化。如果能够在约45兆赫兹的宽频带上观测到全球信号，科学家将可以据此推断暗物质粒子的质量与速度。</p><p id="417HTUHA" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 当前，包括日本“月读计划”在内的多项月球探测任务正在筹备在月球上建设射电望远镜。未来若能观测到这些微弱信号，将有望解开暗物质的奥秘。</p><p id="417HTUHA" 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<dl id="comment_36318_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36318, '10362');">引用</a> </span> <a href="http://club.oecr.com/space-uid-29129.html" class="xi2 xw1" c="1">danni</a> <span class="xg1 xw0">2025-10-20 10:51</span> </dt> <dd>科技信息不错。</dd> </dl><a name="comment_anchor_36317"></a> <dl id="comment_36317_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36317, '10362');">引用</a> </span> <a href="http://club.oecr.com/space-uid-12718.html" class="xi2 xw1" c="1">optohome</a> <span class="xg1 xw0">2025-10-20 10:21</span> </dt> <dd>LZ文章给力，给回复下吧</dd> </dl><a name="comment_anchor_36316"></a> <dl id="comment_36316_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36316, '10362');">引用</a> </span> <a href="http://club.oecr.com/space-uid-37457.html" class="xi2 xw1" c="1">leedong</a> <span class="xg1 xw0">2025-10-20 09:51</span> </dt> <dd>很好的话题 大家讨论哦</dd> </dl><a name="comment_anchor_36315"></a> <dl id="comment_36315_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(36315, '10362');">引用</a> </span> <a href="http://club.oecr.com/space-uid-4.html" class="xi2 xw1" c="1">angel</a> <span class="xg1 xw0">2025-10-20 09:51</span> </dt> <dd>看帖要回，回帖才健康，在踩踩，楼主辛苦了！</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" class="area"></div><!--[/diy]--> </div> <div class="sd pph"> <div class="drag"> <!--[diy=diyrighttop]--><div id="diyrighttop" class="area"><div id="frameZRVHza" class="sy_ltdr frame move-span cl frame-1"><div class="frame-title title"><span class="titletext">社区成员推荐</span></div><div id="frameZRVHza_left" class="column frame-1-c"><div id="frameZRVHza_left_temp" class="move-span temp"></div><div id="portal_block_905" 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