Getting your player ready...
BALTIMORE — Fifteen years of planning and 6 1/2 years of maneuvering in space will all come down to the crunch today as mission managers try to slip NASA’s Messenger spacecraft into orbit around Mercury. The braking maneuver, playing out 96 million miles from Earth, will have to slow the desk-size planetary probe by 1,929 mph and ease it into a polar orbit around the planet closest to the sun.
breakingnews
