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SEE ALSO: Extraterrestrial Oceans Could Host Life A new photo taken by the Cassini spacecraft near Saturn shows Earth as a small speck of light, framed and dwarfed by Saturn's famous rings.

In 2013, NASA's Cassini spacecraft snapped an exceptional ... viewed dark side of the moon in front of the sunlit Earth. It's a shot from 1 million miles away. Perhaps the most poignant picture ...