NASA’s two Gravity Recovery And Interior Laboratory (GRAIL) spacecraft are closing in on their quarry, the moon. The mission plans New Year’s Eve and New Year’s Day main engine burns to place the twin spacecraft in lunar orbit. http://www.nasa.gov/grail
Tag: grail
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NASA’s GRAIL Twins to Welcome 2012 at Moon
NASA’s two Gravity Recovery And Interior Laboratory (GRAIL) spacecraft are closing in on their quarry, the moon. The mission plans New Year’s Eve and New Year’s Day main engine burns to place the twin spacecraft in lunar orbit. http://www.nasa.gov/grail
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NASA’s GRAIL Spacecraft Launches on Lunar Mission
NASA’s GRAIL spacecraft launched to the moon aboard a United Launch Alliance Delta II rocket on Sept. 10, 2011, from Cape Canaveral Air Force Station, Fla.
GRAIL’s primary science objectives are to determine the structure of the lunar interior, from crust to core, and to advance understanding of the thermal evolution of the moon.