Geology-Driven Catastrophe: How Chicxulub Turned a Space Rock into a Global Climate Crisis
TL;DR Summary
A 10-km asteroid hit the Yucatán 66 million years ago, vaporising sulfur-rich rocks beneath it and lofting sulfur-bearing gases and dust into the atmosphere; the impact angle and local geology amplified the effect, triggering global cooling and a mass extinction, though the exact atmospheric recipe is still being refined by researchers.
- The asteroid that ended the dinosaur age struck Mexico's Yucatán Peninsula about 66 million years ago, and the sulphur-rich rocks beneath it helped turn a roughly 10-kilometre object into a global climate disaster Space Daily
- Heat-trapping asteroid dust may have incinerated the dinosaurs within hours Science News
- Did fungi give mammals an evolutionary edge after the dinosaur-killing asteroid hit? New evidence revives a provocative hypothesis Live Science
- Scientists reveal the terrifying 'second strike' that may have wiped out the dinosaurs after asteroid impa The Economic Times
- FROM THE STACKS: Book explores dinosaur extinction event, what followed newstribune.com
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