Uploaded February 2012 | Updated September 2026, 4 days ago

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SpaceChronology.com

Courtesy NASA/JPL-Caltech.

GRAIL consists of two identical spacecraft, recently named Ebb and Flow, each of which is equipped with a MoonKAM. The images were taken as part of a test of Ebb's MoonKAM on Jan. 19. The GRAIL project plans to test the MoonKAM aboard Flow at a later date.