Monday, September 5, 2011

NASA to launch twin moon probes Thursday
[ Mon, 5 Sep 2011 16:58:03 GMT ]

Artist's concept of the two Gravity Recovery and Interior Laboratory (GRAIL) spacecraft orbiting the moon. NASA will launch the twin probes on Sept. 8, 2011, to study the moon's gravitational field in unprecedented detail. NASA is gearing up for this week's launch of twin lunar orbiters built to map the gravity of Earth's moon in unprecedented detail.


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