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The Day a Comet Set the Earth on Fire: Scientists Find Evidence in Ancient Ice Cores
Environment  (tags: prehistory, disasters, calamities, outer space, extinction events )

- 453 days ago -
Think of it as the day a comet set the earth on fire. Researchers have evidence of widespread forest fires around half the world - a blaze to blot out the light of the sun - and all of it at a geological boundary called the Younger Dryas.

- 789 days ago -

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