Chicxulub asteroid impact may have charbroiled dinosaurs within hours

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A new study suggests that the heat released by the Chicxulub asteroid impact was intense enough to kill off dinosaurs and other life within just one to two hours of the strike. The impact generated extreme thermal radiation that effectively charbroiled living creatures across vast regions. Researchers describe the killing power as so severe that survival in the immediate aftermath would have been nearly impossible for most species. The findings shed new light on the speed and ferocity of the mass extinction event that wiped out non-avian dinosaurs roughly 66 million years ago.

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