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Archive Home > 2012 > January > 01 > NASA gauging moon’s gravity

NASA gauging moon’s gravity

By Kenneth Chang / The Bulletin
January 1, 2012

A pair of NASA spacecraft are slipping into orbit around the moon this weekend to try to answer persistent questions about Earth’s celestial companion.

How did the moon form? Is the lunar core still molten? And why is it such an uneven lump?

Over the decades, more than 100 spacecraft have gone....

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