The Earth’s Magnetosphere Might be Creating Water on the Moon

There’s no doubt that the Moon has water on its surface. Orbiters have spotted deposits of ice persisting in the perpetual shadows of polar craters. And recent research shows that water exists in sunlit parts of the Moon, too.

Over the years, scientists have presented evidence that the Moon’s water came from comets, from asteroids, from inside the Moon, and even from the Sun.

But now new research is pointing the finger directly at Earth as the source of some of the Moon’s water.

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