Rosetta spacecraft’s comet water discovery: what it means for Earth

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Rosetta spacecraft’s comet water discovery: what it means for Earth

14 December 2014

Where did Earth’s water come from? Comets? Asteroids? New data from the Rosetta spacecraft orbiting Comet 67P/Churyumov-Gerasimenko shows that comets ?? once thought responsible for seeding Earth with water ?? might not have delivered water to the planet.

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