What Made Earth a Giant Snowball 700m Years Ago? Scientists Have an Answer
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What Made Earth a Giant Snowball 700m Years Ago? Scientists Have an Answer

Around 700 million years ago‚ Earth experienced an extreme ice age known as the Sturtian Glaciation‚ turning our planet into a vast‚ icy snowball. Read moreSection: NewsScience &; SpaceRead LaterÂ