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More Support for an Ocean in Enceladus

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Science  12 Apr 2013:
Vol. 340, Issue 6129, pp. 139
DOI: 10.1126/science.340.6129.139-a

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Now that the Cassini spacecraft has made its last close-up observations of Saturn's moon Enceladus, mission team members are pushing to prove once and for all that the 500-kilometer-diameter moon harbors a salty—and habitable—ocean far below its icy surface. They aren't there yet, but at the meeting, researchers argued that the latest Cassini observations make the most sense if liquid water is escaping from a deep ocean through cracks in Enceladus's outer ice shell to produce the plume spewing from the moon's south polar region.