Comment on Gigantic asteroid collision 470 million years ago caused Earth to freeze over, scientists say - The Independent

Gigantic asteroid collision 470 million years ago caused Earth to freeze over, scientists say - The Independent

Gigantic asteroid collision 470 million years ago caused Earth to freeze over, scientists say The IndependentA giant asteroid crash caused an ancient ice age on Earth, but also gave life a boost CNNDust cloud sparked explosion in primitive life on Earth, say scientists The GuardianHow to Cool a Planet With Extraterrestrial Dust The New York TimesDust from a giant asteroid crash caused an ancient ice age Phys.orgView full coverage on Google News

 

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