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Pluto May Have a Liquid Ocean

Far out, at the edge of our solar system, there's water. A new study indicates that Pluto appears to still have a liquid ocean under its icy crust. Using data from the New Horizons space probe, researchers from Brown University found that the dwarf planet has been expanding. If the ocean had “frozen into oblivion” long ago, Pluto would have shrunk. “Thanks to the incredible data returned by New Horizons, we were able to observe tectonic features on Pluto’s surface, update our...

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