Solidot: 天文学家发现太阳的兄弟

Solidot

奇客的资讯，重要的东西

天文学家发现太阳的兄弟
http://solidot.org.feedsportal.com/c/33236/f/556826/s/3a51f545/sc/43/l/0L0Ssolidot0Borg0Cstory0Dsid0F3950A2/story01.htm
May 12th 2014, 11:03

通过分析化学构成和轨道，天文学家首次识别出一颗太阳有关系的恒星，这颗恒星几乎肯定源自与太阳相同的气体和尘埃云。天文学家说，有很小的可能性，太阳的兄弟也可能有支持生命的行星。这颗恒星编号HD 162826，比太阳重15%，位于武仙座，距离地球110光年。天文学家利用McDonald天文台的Harlan J. Smith望远镜深入分析了23颗候选恒星，根据反映化学构成的高分辨率光谱和轨道信息，HD 162826被认为最有可能是太阳的兄弟。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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