Solidot: 望远镜观察到地球大小的系外卫星

Solidot

奇客的资讯，重要的东西

望远镜观察到地球大小的系外卫星
http://solidot.org.feedsportal.com/c/33236/f/556826/s/3527f23d/sc/28/l/0L0Ssolidot0Borg0Cstory0Dsid0F37754/story01.htm
Dec 24th 2013, 07:23

利用微引力透镜技术，天文学家在一颗1600光年外的流浪行星周围观察到了一颗候选系外卫星，其质量相当于地球的二分之一，而母星的质量相当于木星的4倍。由于微引力透镜事件短暂而随机，科学家难以再次对它展开进一步观察，确认它是否是一颗卫星。天文学家对此非常谨慎，认为该微引力透镜事件的对象也可能是一颗遥远恒星和一颗巨大的系外行星。论文已发表在预印本网站上。This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.



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