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- No, the whole earth — including the oceans — froze over. We were a blinding white Christmas tree ornament in the blackness of space: "snowball earth."
www.smithsonianmag.com/science-nature/when-the-earth-froze-174847631/
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For nearly 60 million years, our home planet was likely frozen into a big snowball. Now, scientists have discovered evidence of Earth's transition from a tropical underwater world, writhing with photosynthetic bacteria, to a frozen wasteland – all preserved within the layers of giant rocks in a chain of Scottish and Irish islands.
The Snowball Earth is a geohistorical hypothesis that proposes during one or more of Earth's icehouse climates, the planet's surface became nearly entirely frozen with no liquid oceanic or surface water exposed to the atmosphere.
Sep 6, 2024 · This period, which broadly coincides with the snowball Earth, is actually split into two global ice ages: the Sturtian glaciation (or freeze) and the Marinoan glaciation.
Aug 15, 2024 · Hundreds of millions of years ago, Earth plunged into a deep-freeze that turned the planet into a giant ball of ice. Now, scientists have discovered rocks marking this moment on a remote ...
Feb 10, 2024 · Australian geologists have shared new findings on an extreme ice-age event that enveloped Earth in a snowball over 700 million years ago, a period marked by a planet-wide glacial cover extending from the poles to the equator.
Feb 5, 2019 · This frozen Earth, nicknamed snowball Earth, was a setting "so severe, that the Earth's entire surface, from pole to pole, including the oceans, completely froze over," said Melissa Hage,...
Apr 5, 2019 · There’s only about 10 million years when there was no ice at all and then suddenly the planet went back into Snowball Earth. So why two in rapid succession? And why wasn’t there a third one...