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Chicxulub impact visualization

Aftermath of Chicxulub asteroid

After the Chicxulub impact 66 million years ago, dust, soot, and sulfur aerosols entered the atmosphere and reduced sunlight, triggering a period of global cooling often called an impact winter. Conditions varied by region, but many areas likely experienced prolonged darkness, falling temperatures, widespread wildfires, acid rain, and collapsing food webs. All non avian dinosaurs went extinct. A small number of bird lineages survived, and over millions of years those survivors diversified into a