The Search for Ice Deposits in Moon Craters

Near the moon’s poles, crater walls block sunlight from reaching some areas of the surface. In these permanently shadowed regions, temperatures are ghastly cold, which could allow water to exist in the form of ice. But on an airless body like the moon, the constant barrage of meteorites that punch into the soil could mean that near-surface ice is short-lived and thicker deposits of ice are buried deeper.

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