Comet water discovered to be nearly identical in composition to Earth’s oceans

 Suggests comet bombardment contributed to forming oceans From the European Space Agency: Did Earth’s oceans come from comets? ESA’s Herschel infrared space observatory has found water in a comet with almost exactly the same composition as Earth’s oceans. The discovery revives the idea that our planet’s seas could once have been giant icebergs floating through…

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