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The Snowball Earth is a geohistorical hypothesis proposing that during one or more of Earth's icehouse climates, the planet's surface was nearly entirely frozen, with little or no liquid water exposed. This global glaciation hypothesis is most commonly associated with the Cryogenian Period, which included two major glacial episodes: the Sturtian and Marinoan.
Not who you're looking for? Others named Snowball Earth: Japanese manga series · Ten years after saving Earth with his robot friend Yukio, Te