The missing 500 million: Cosmic bombardment melted Earth's...

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2026-07-05 13:00:05

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. Credit: NASA's Goddard Space Flight Center Conceptual Image Lab Earth is the only planet we know of with buoyant, silica-rich

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