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<div class="ss"><div><span>导读： </span>在帕拉纳尔天文台，UT4 望远镜不仅可以观星，还可以利用强大的激光对抗大气湍流，主动创造自己的恒星。得益于其先进的自适应光学系统，UT4 可以从地面提供令人难以置信的清晰图像，可与太空视图相媲美。</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="3JK1145O" 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;"> 在帕拉纳尔天文台，UT4 望远镜不仅可以观星，还可以利用强大的<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>对抗大气湍流，主动创造自己的恒星。得益于其先进的自适应光学系统，UT4 可以从地面提供令人难以置信的清晰图像，可与太空视图相媲美。</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%2F0503%2Fee543322j00svo1ih0019d000hs00bvg.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="3JK1145P" style="text-align: center; box-sizing: inherit; margin: 34px 0px; padding: 0px; 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;">帕拉纳尔天文台的UT4向天空发射激光，制造人造恒星，帮助其校正大气模糊，捕捉清晰的宇宙图像。图片来源：ESO/A. de Burgos Sierra</p><p id="3JK1145Q" 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;"> 这张壮丽的照片捕捉到了UT4的壮丽景色。UT4是欧洲南方天文台帕拉纳尔天文台甚大望远镜（VLT）的四台8米口径望远镜之一。在繁星点点的夜空中，UT4远不止是一个被动的观星者。在它的穹顶内，这架望远镜发射出四束耀眼的激光，划破了宁静的夜空。</p><p id="3JK1145R" 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;"> 这些激光来自4号激光导星装置（4LGSF），该系统使UT4能够在高空大气中制造人造恒星。激光激发距离地面约90公里的钠原子，使其发出明亮的光芒。这些<a href="http://light.oecr.com" target="_blank" class="relatedlink">发光</a>点充当着“导星”的作用。通过观察这些人造恒星如何受到地球大气的扭曲，该望远镜可以确定如何校正导致自然恒星闪烁的湍流。</p><p id="3JK1145S" 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;"> 为了进行这些校正，UT4 使用了其自适应光学系统。该系统可以实时精确调整望远镜副镜的形状，从而抵消大气的模糊效应。得益于自适应光学系统，UT4 可以从地面拍摄到几乎与太空拍摄一样清晰的图像。</p><p id="3JK1145T" 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;"> 很快，VLT 的另外三台 8 米望远镜也将分别配备一台激光器。这是 VLT 干涉仪及其GRAVITY+仪器一系列升级的一部分，这些升级可以整合多台望远镜的光线，打造一台巨大的“虚拟”望远镜。另一台巨大的“天眼”——欧洲南方天文台 (ESO) 的极大望远镜 (ELT)，即将在帕拉纳尔附近完工，并将配备至少 6 台激光器，以便地面望远镜能够提供尽可能清晰的图像。</p><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" text-align:="" center;"="" 255);"="" center;="" style="word-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 255); text-align: center;"><a href="http://www.oecr.com/data/attachment/portal/202404/12/093958rszee6k8hhykve3w.jpg" target="_blank" style="word-wrap: normal; 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啥都不说了</dd> </dl><a name="comment_anchor_35755"></a> <dl id="comment_35755_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35755, '10252');">引用</a> </span> <a href="http://club.oecr.com/space-uid-90664.html" class="xi2 xw1" c="1">laoniluni</a> <span class="xg1 xw0">2025-5-6 10:07</span> </dt> <dd>嘘，低调。</dd> </dl><a name="comment_anchor_35754"></a> <dl id="comment_35754_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35754, '10252');">引用</a> </span> <a href="http://club.oecr.com/space-uid-31531.html" class="xi2 xw1" c="1">lihui_lin</a> <span class="xg1 xw0">2025-5-6 09:37</span> </dt> <dd>前排顶，很好！</dd> </dl><a name="comment_anchor_35753"></a> <dl id="comment_35753_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35753, '10252');">引用</a> </span> <a 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