First of NASA's GRAIL Spacecraft Starts Orbit
NASA has confirmed that 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 an orbit of 56 miles by 5,197 miles around the moon that
takes approximately 11.5 hours to complete.