August 20, 2010

YOU THOUGHT GEORGE HAD A SHRINKAGE PROBLEM? (via Bryan Francoeur):

The moon is shrinking. No, seriously.: The surface of the moon has moved the equivalent of a football field closer to the core during the past billion or so years. (Pete Spotts, August 19, 2010, CS Monitor)

[F]or an object long thought tectonically dead, the discovery of "recent" faulting on the lunar surface indicative of shrinkage is pretty surprising. It's but the latest indication that "this isn't your grandfather's moon anymore," says Michael Wargo, chief lunar scientist at NASA headquarters in Washington.

"When you look at the new information we've garnered with a number of different missions to the moon over the last year, we're now talking about the moon in a completely different way," he says. "It was thought to be dead and unchanging. And now you have this dynamism."


So much for that Lunar Geology course I took at Colgate...

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Posted by Orrin Judd at August 20, 2010 5:16 AM
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