Seeing the moon’s water

A moon-orbiting satellite detected traces of water in surface rocks

By Sid Perkins, 13:00 PM September 19, 2013

In a folktale from the Middle Ages, a fox convinces a wolf that the moon is made of green cheese. That’s not true, of course, as moon rocks collected more than 40 years ago by the Apollo astronauts proved. But some rocky details of our moon can be gleaned without the aid of visiting astronauts. The latest example: An orbiting spacecraft may have just spotted water locked within surface rocks.


Scientists already knew the moon hosts trace amounts of water. That evidence turned up in a few of th...

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