2014年3月7日星期五

Solidot: NASA想要访问欧罗巴

Solidot

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NASA想要访问欧罗巴
http://solidot.org.feedsportal.com/c/33236/f/556826/s/37e4641c/sc/17/l/0L0Ssolidot0Borg0Cstory0Dsid0F38624/story01.htm
Mar 7th 2014, 08:35

NASA和白宫正要求国会提供资金资助木星卫星欧罗巴探索任务。欧罗巴(木卫二)是一颗表面被冰包裹的岩石行星,它的冰层下存在被潮汐可挠性加热的液态海洋。去年12月,哈勃望远镜发现有羽流在欧罗巴的南极喷射到太空。过去几年,NASA已经设想了多个探索欧罗巴的太空计划,其中包括发射登陆到欧罗巴表面的着陆器。NASA估计发射登陆器的费用约为28亿美元。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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