View Full Version : End of Mission: GRAIL Spacecraft Impact a Mountain on the Moon

2012-Dec-18, 12:10 AM
The planned path of the GRAIL spacecrafts’ final orbit. Credit: NASA “So long, Ebb and Flow, and we thank you,” said GRAIL project manager David Lehman of NASA’s Jet Propulsion Laboratory after the twin GRAIL spacecraft completed a planned formation-flying double impact into the southern face of 2.5-kilometer- (1.5-mile-) tall mountain on a crater rim [...]

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