Celestial illumination | Flickr - Photo Sharing!
The Earth at Night
A view of Earth from The Moon taken by NASA.
Saturn's dark side - it doesn't even look real.... very cool! ...Taken by NASA's Cassini robotic orbiter, the shot was captured from the dark side of Saturn as the Sun's bright rays illuminated every piece of dust and debris circling the planet.
Witch Head Nebula
Comet Lovejoy visible near Earth's horizon
NASA's MESSENGER Satellite Captures Spectacular Color Mosaic of Mercury by NASA Goddard Photo and Video, via Flickr
Aurora Lights seen from space. - Imgur
Every single satellite orbiting the Earth / via vuokko