The Conversation

Ancient asteroid impacts yield evidence for the nature of the early Earth

Author: Andrew Glikson, Earth and paleo-climate scientist, Australian National University

The early Earth may have been shaped by asteroid bombardment.Shutterstock

The nature of the early Earth’s crust prior to about 4 billion years ago – about half a billion years following formation of the Earth – is shrouded in mystery.

Currently there are conflicting theories as to the structure and composition of the Earth during...

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The Conversation

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