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CosmosUp | September 22, 2020

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Rosseta Spacecraft

New Rosetta Data Suggest Earth’s Water Didn’t Come From Comets

December 11, 2014 |

Take a virtual trip around the Solar System and you’ll come to one conclusion pretty quickly: Earth is odd. One of the most significant oddities about our pale blue dot is the vast quantity of liquid water. Astronomers and other scientists have proposed various arguments for how Earth ended up with huge, stable liquid oceans — and now, thanks to research from the Rosetta probe, we’ve got evidence that one prominent theory may not be correct. Read More

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