Science News: Imagine a time when the blue planet looked nothing like it does today. A time when the oceans were frozen over, the continents were locked in a thick . Image Credit: AI Generated Imagine a time when the blue planet looked nothing like it does today. A time when the oceans were frozen over, the continents were locked in a thick sheet of ice, and the sun reflected off a world almost entirely white. Th... [5848 chars]
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