NASA launches MAVEN spacecraft to Mars.

NASA's MAVEN spacecraft is poised to embark on its 10-month journey to Mars to help unravel the mysteries of the Red Planet's atmosphere. The window for launch starts at 10:28 a.m. PT.http://4.nbcla.com/183FW7p

Update: The orbiter took off promptly as scheduled. I watched it here at dinnertime. It was neat.