science800 millionAn asteroid collision 800 million years ago may have triggered global cooling

Asteroids: A clue to the origin of 'Snowball Earth'

Researchers identify a possible extraterrestrial origin for the 'Snowball Earth' phenomenon.

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The fact

An asteroid collision 800 million years ago may have triggered global cooling.

This hypothesis sheds light on the planet's extreme climate mechanisms.

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Auto-synthesis from 1 media source · identified on July 16, 2026