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NASA to Crash Lunar Gravity Probes into Moon

NASA will send two decommissioned probes to a crash landing on the moon Monday, punctuating a violent end for a mission which mapped the lunar gravity field with more precision than any other object in the solar system.

Running low on fuel, the GRAIL satellites will aim for a mountain in the northern hemisphere near Goldschmidt crater. Approaching at a shallow angle of about 1.5 degrees, the nearly identical spacecraft will impact with a velocity of about 3,760 mph, excavating

Source: Spaceflight Now. Read full article. (link)

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