Sunrise at Pad 39ARandom ImagesThe sun begins to rise in the east overlooking Launch Pad 39A at NASA's Kennedy Space Center in Florida, with newly arrived space shuttle Discovery. Discovery arrived at the launch pad on Feb. 1, 2011 for its next launch opportunity to the International Space Station on the STS-133 mission, currently targeted for liftoff on Feb. 24.Image credit: NASA/Jack Pfaller