A NASA satellite has found evidence of water molecules on the moon, challenging theories that the moon is completely dry.

The Lunar Reconnaissance Orbiter, or LRO, found water molecules bound to the moon’s surface until the temperatures peak on the moon.

Then the molecules then “bounce around, looking for a place cold enough to cool them down until they can hit the moon’s surface.

Research scientists are excited about the find and it’s meaning for the future; lunar water could be used in manned missions to the moon for things like fuel production, saving NASA the cost of sending those materials into space.

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