As if scanning the moon's surface for impact blemishes were not enough, NASA now plans to visualize its internal imperfections to solve longstanding mysteries about the moon's insides. NASA said this week that it selected the Gravity Recovery and Interior Laboratory, or GRAIL, from two dozen mission proposals. GRAIL's twin spacecraft are slated to launch around Sept. 6, 2011. picked by AutumnLotus 10 months ago tags NASA look inside moon internal imperfections |
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