Ars Technica·5 min read·hard
The missing 500 million: Cosmic bombardment melted Earth's first crust
✦AI Summary
Geologists propose that Earth's early continents were formed by an intense, sustained bombardment of asteroids during the Hadean eon. This heat kept the crust thin and buoyant, allowing for the formation of the first continental landmasses.
I’m melting 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.
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