A Terrifying GIF Of An Ice Age Ripping Through The US
From Cosmos: A Spacetime Odyssey, The Lost Worlds Of Planet Earth
The last of the five major ice ages, called the Pleistocene glaciation, began about 1.5 million years ago. It is thought to be caused in part by the Earth getting less of the sun's warming radiation - because of the pull of other planets in our solar system.
The Pleistocene glaciation contained at least 20 ice fluctuations within it, in which ice advanced and receded. Sometimes, up to 30% of Earth was covered in ice.
At times this included the better part of North America - California became almost completely entombed in ice. Today evidence of the glacial takeover can be found as far down as southern California's San Bernardino Mountains.
GIF From Cosmos: A Spacetime Odyssey, The Lost Worlds Of Planet Earth
GIF from Cosmos: A Spacetime Odyssey, The Lost Worlds Of Planet Earth.
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