Water Released from Moon

February 7, 2022
CreditNASA's Goddard Space Flight Center/Dan Gallagher
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Scientists have discovered that water is being released from the Moon during meteor showers. When a speck of comet debris strikes the Moon it vaporizes on impact, creating a shock wave in the lunar soil. For a sufficiently large impactor, this shock wave can breach the soil's dry upper layer and release water molecules from a hydrated layer below.