In this space wallpaper, Space shuttle Endeavour takes to the sky from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida at 7:22 a.m. EDT mounted atop NASA's Shuttle Carrier Aircraft, or SCA. In the background is the 525-foot-tall Vehicle Assembly Building where the shuttles were attached to their external fuel tank/solid rocket booster stacks. This image was taken Sept. 19, 2012.

Credit: NASA/Kim Shiflett