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A comet smashing into ancient Earth may have set off catastrophic global warming

A period of dramatic global warming 56 million years ago could hold lessons for scientists today.
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Ancient ice melt unearthed in Antarctic mud: 20 meter sea level rise, five million years ago

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Did a cosmic crash heat up Earth 56 million years ago?

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Researchers have found evidence that a comet or space rock smashed into Earth 56 million years ago, perhaps setting off a massive warming that began around that time. It's a … Click to Continue »

Impact glass from asteroids and comets stores biodata for millions of years

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Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists exploring large fields of impact glass in ...

Extraterrestrial impact preceded ancient global warming event

Issues & Causes / Climate Change : EurekAlert: Earth

(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...

Extraterrestrial Impact Preceded Ancient Global Warming Event

Health : Newswise Medical News

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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