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100 Explosions on the Moon

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發表於 2008-5-23 06:32:30 | 顯示全部樓層 |閱讀模式
發表於 2008-5-23 09:19:18 | 顯示全部樓層

Mapping the mascons (gravity anomaly) on the Moon

NASA Science News for May 22, 2008
Gravitationally speaking, the moon is a strange place. Satellites in lunar orbit feel odd, sideways tugs and sometimes end up nose down in the moondust. Astronauts standing in the middle of lunar lava seas weigh more than they do standing on the shore. A new NASA mission named GRAIL aims to map the moon's quirky gravity field and thus pave the way for future exploration.

FULL STORY at

http://science.nasa.gov/headline ... rail.htm?list137588
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