Hot, nutrient water might have lasted for over 5 million years after the impact.
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The missing 500 million: Cosmic bombardment melted Earth's first crust
The heat of the Hadean may have come from impacts as well as the interior.
Read MoreHot, nutrient water might have lasted for over 5 million years after the impact.
Read MoreThe heat of the Hadean may have come from impacts as well as the interior.
Read More
