First of NASA's Two GRAIL Spacecraft Enters Orbit Around Moon
By R. Mitchell on Jan 01, 2012 in Technology
PASADENA, Calif., Dec. 31, 2011 /PRNewswire-USNewswire/ — The first of two NASA spacecraft to study the moon in unprecedented detail has entered lunar orbit. NASA’s Gravity Recovery And Interior Laboratory (GRAIL)-A spacecraft successfully completed its planned main engine burn at 2 p.m. PST (5 p.m. EST) today. As of 3 p.m. PST (6 p.m. EST), GRAIL-A is in a 56-mile (90-kilometer) [...]

