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A plunge in incoming sunlight may have triggered 'Snowball Earths' - Phys.org 29-Jul-2020

A plunge in incoming sunlight may have triggered 'Snowball Earths' - Phys.org


At least twice in Earth's history, nearly the entire planet was encased in a sheet of snow and ice. These dramatic "Snowball Earth" events occurred in quick succession, somewhere around 700 million years ago, and evidence suggests that the consecutive global …

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