NASA Lunar Mission Successfully Enters Moon Orbit

GREENBELT , Md. -- After a four and a half day journey from the Earth, the Lunar Reconnaissance Orbiter, or LRO, has successfully entered orbit around the moon. Engineers at NASA's Goddard Space Flight Center in Greenbelt , Md. , confirmed the spacecraft's lunar orbit insertion at 6:27 a.m. EDT Tuesday.During transit to the moon, engineers performed a mid-course correction to get the spacecraft