SNOWBALL EARTH
Between roughly 640 and 720 million years ago, Earth was covered pole to pole with slush and ice. During two major ancient freezes, the way our planet must have looked from space at the time has prompted the nickname Snowball Earth. And now, researchers may have just found the world's most complete record of this period of glaciation in part of a rock formation known as the Port Askaig Foundation.
This story is from the January - February 2025 edition of Popular Mechanics US.
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This story is from the January - February 2025 edition of Popular Mechanics US.
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