Giant asteroid got one-two crater-carving punch

Posted: May 10, 2012 2:17 PM EDT Updated: May 10, 2012 3:27 PM EDT

By ALICIA CHANG
AP Science Writer LOS ANGELES (AP) - The giant asteroid Vesta got clobbered not once but twice, and it has the scars to prove it.
Ever since the Hubble Space Telescope spied a huge depression in the asteroid's south pole, scientists surmised it was carved by a collision with a celestial object, most likely a smaller asteroid.
But a recent closer inspection revealed a surprise: There are actually two massive overlapping craters.

MORE: http://www.abc27.com/story/18254645/giant-asteroid-got-one-two-crater-carving-punch

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