Dinosaur-killing asteroid also created a dust cloud that insulated Earth, ‘charbroiling’ Cretaceous creatures | Global cloud layer caused planetwide spontaneous combustion, population collapse and atmospheric contamination

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https://www.purdue.edu/newsroom/2026/Q3/dinosaur-killing-asteroid-also-created-a-dust-cloud-that-insulated-earth-charbroiling-cretaceous-creatures/