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Lunar soil hydration constrained by exospheric water liberated by meteoroid impacts

Stubbs, T. J.; Elphic, R. C.; Benna, M. +2 more

Analyses of samples from the Apollo missions suggest that the Moon formed devoid of native water. However, recent observations by Cassini, Deep Impact, Lunar Prospector and Chandrayaan-1 indicate the existence of an active water cycle on the Moon. Here we report observations of this water cycle, specifically detections of near-surface water releas…