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Extraterrestrial Impact Preceded Ancient Global Warming Event

A comet strike may have triggered the Paleocene-Eocene Thermal Maximum (PETM), a rapid warming of the Earth caused by an accumulation of atmospheric carbon dioxide 56 million years ago, which offers analogs to global warming today.
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Extraterrestrial impact preceded ancient global warming event

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(Rensselaer Polytechnic Institute) A comet strike may have triggered the Paleocene-Eocene Thermal Maximum, a rapid warming of the Earth caused by an accumulation of atmospheric carbon dioxide 56 million years ago, which offers analo...

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