Comet craters: literal melting pots for life on Earth

Geochemists from Trinity College Dublin's School of Natural Sciences may have found a solution to a long-debated problem as to where -- and how -- life first formed on Earth. The large impact crater at Sudbury Basin was caused by a massive comet hitting the planet 1.8 billion years ago  [Credit: WikiCommons]In a paper just published in the journal Geochimica et Cosmochimica Acta, the team proposes that large meteorite and comet...

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Via: The Archaeology News Network