Saturn's 'Death Star' Moon May Hide a Massive, Shockingly Young Ocean

[Bok]

A surprisingly youthful ocean within Mimas, a tiny moon of Saturn, has big implications for the solar system’s history—and for finding life beyond Earth


More... (https://www.scientificamerican.com/article/saturns-death-star-moon-may-hide-a-massive-shockingly-young-ocean/)