Water Seen Hopping Around the Surface of the Moon

The Moon was once thought to be a barren place, devoid of all water. But, in the last few years, several spacecraft have found water ice hidden within craters on our planetary companion. Now, the Lunar Reconnaissance Orbiter has found evidence that molecules of water are bouncing around the lunar surface. As ice is heated in one area, it moves to another nearby place, where it falls into shadow, and freezes once more on the surface of the Moon. Water will be a vital resource as humans populate the Solar System, and the Moon may be the first stopping-off point on the way to the planets.

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