Lunar Reconnaissance Orbiter sees GRAIL's explosive farewell
Tuesday, March 19, 2013 - 14:00
in Astronomy & Space
(Phys.org) —Many spacecraft just fade away, drifting silently through space after their mission is over, but not GRAIL. NASA's twin GRAIL (Gravity Recovery and Interior Laboratory) spacecraft went out in a blaze of glory Dec. 17, 2012, when they were intentionally crashed into a mountain near the moon's north pole.