Saturn Moon May Hide a 'Fossil' Core or an Ocean | NASA
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A new study focused on the interior of Saturn's icy moon Mimas suggests its cratered surface hides one of two intriguing possibilities: Either the moon's frozen core is shaped something like a football, or the satellite contains a liquid water ocean.
WIN / WIN!!!
Football core! Water ocean! Why not both?
5:09 PM Oct 17 2014