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10 of the most memorable space photos

Geysers of Enceladus Geoff Marcy chose this photo of water geysers spouting from Saturn's moon Enceladus, taken by Cassini in October 2007. "This is the best destination to search for life," Marcy wrote. Astronomers think the geyers could indicate Enceladus harbors an ocean of water buried underneath its surface, which might support microbial life. From mmn

Death Star: Eta Carinae, one of the closest stars to Earth is huge and unstable and will likely explode in a supernova in the relatively near future (On an astronomical timeline this could be a million years from now). via NASA

Chris Hadfield on

PIN FROM SPACE!: Tonight's finale: Over 11 years after I walked in space to install it, I'm flying the Station-building robot Canadarm2.

Meet the caterpillar that could pass for a Christmas ornament