Tuesday, December 18, 2012

Grail Gone

The twin Grail spacecraft, which spent almost a year mapping the Moon's gravitational field in unprecedented detail, were deliberately slammed into a lunar mountain yesterday.  Their fuel was nearly gone, and NASA wanted to make certain they did not crash into any historic areas, like the Apollo landing sites.

The crash site was named for the late Sally Ride, who led a student project connected to the mission until her death.

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