Cassini data reveal subsurface ocean on Saturn's moon Dione Brussels (UPI) Oct 5, 2016 - Subsurface oceans are all the rage. Titan and Enceladus have one. Europa and Pluto probably have one. Ceres might have one. Now, Saturn's moon Dione is getting in on the action. In a new study, published this week in the journal Geophysical Research Letters, scientists argue gravity data collected by Cassini reveal the presence of an underground ocean. According to astronomers wi ... more

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