Earth’s Collision With Another Planet Probably Started Life

By George Dvorsky

Researchers from Rice University say that around 4.4 billion years ago, a Mercury-like planet smashed into Earth, seeding our primordial planet with life-giving carbon. Had this never occurred, it’s an open question as to whether or not life could have ever emerged.

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/f365elf4128/earth-s-collision-with-another-planet-probably-started-1786246943

      

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