Were comets the source of Earth’s water? Rosetta spacecraft says “no”

December 11, 2014 by  
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The Rosetta spacecraft is currently orbiting and exploring comet 67P/Churyumov-Gerasimenko—a large mass of rock and ice that it landed the Philae probe on in November —and its newest discovery might give us startling insight about the origin of water on our own planet. It has been discovered that comet’s water contains three times the amount of deuterium than water here on Earth, which throws a wrench into theories that t his planet’s oceans and rivers  may have originated from comets slamming into it during its formation. Read the rest of Were comets the source of Earth’s water? Rosetta spacecraft says “no” Permalink | Add to del.icio.us | digg Post tags: 67p water , 67P/Churyumov-Gerasimenko , comet , comet 67P , comet 67P/Churyumov-Gerasimenko , comet water , deuterium , Earth’s water , heavy water , hydrogen , origin of water , origins of water , Rosetta , Rosetta comet , Rosetta probe , Rosetta probe water , Rosetta water , water issues , water on comet , water on earth

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Were comets the source of Earth’s water? Rosetta spacecraft says “no”

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