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Saturn’s moon Dione might harbor an underground ocean

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3:20pm, October 7, 2016
moon Dione

An ocean might lurk under the ice of Saturn’s moon Dione, seen in this 2015 image from the Cassini spacecraft with Saturn and its rings in the background.

A satellite of Saturn joins the club of moons with possible oceans. A subsurface sea of water might hide beneath the icy crust of Dione, one of Saturn’s moons, researchers report online October 9 in Geophysical Research Letters. That puts Dione in good company alongside Enceladus (another moon of Saturn) and several moons of Jupiter, as well as possibly Pluto (SN Online: 9/23/16).

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