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Extra-terrestrial impacts may have shaped Earth 3.2 billion years ago, study finds

A study found that plate tectonics were triggered by intense bombardment of meteors 3.2 billion years ago -transforming the hot, primordial mushy surface into the present rugged landscape.

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Extra-terrestrial impacts may have shaped Earth 3.2 billion years ago, study finds Extra-terrestrial impacts may have shaped Earth 3.2 billion years ago, study finds Reviewed by Rohta on November 27, 2019 Rating: 5

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