Solidot: 2011 AG5不会在2040年与地球相撞

Solidot

奇客的资讯，重要的东西

2011 AG5不会在2040年与地球相撞
http://solidot.org.feedsportal.com/c/33236/f/556826/s/26df91bf/l/0L0Ssolidot0Borg0Cstory0Dsid0F32810A/story01.htm
Dec 23rd 2012, 10:30

小行星2011 AG5被认为有极高的可能性与地球相撞，它的直径有140米，相当于足球场大小（相比较下，通古斯事件被认为可能是一颗直径60米的天体造成的）。今年上半年科学家称它在2040年有1:625的几率撞上地球，表示需要更多的观察才能判断最终的相撞几率。本周五，NASA喷气推进实验室进地天体项目在分析夏威夷双子北座望远镜的最新观察数据后，宣布小行星2011 AG5与地球相撞的风险已经降低到几近于无。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. Five Filters recommends: Gaza Blitz - Turmoil And Tragicomedy At The BBC.



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