NASA's Stardust-NExT mission took this image of comet Tempel 1 at 8:39 p.m. PST (11:39 p.m. EST) on Feb 14, 2011 for this cool space wallpaper. The comet was first visited by NASA's Deep Impact mission in 2005.
Comet Tempel 1 Revisited Space Wallpaper
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