๐ฏ๐๐๐๐๐๐๐๐๐โขโ๏ธ๐๐ฆ Sixty-six million years back, a killer rock hit Yucatรกn. Darkness fell, dinosaurs died. New research says it wasnโt fire or sulfur that did the job, but dustโfine as hairโhanging in the sky for 15 years, choking out the sun, killing 75% of life. #ChicxulubImpact https://www.livescience.com/planet-earth/dust-from-the-dino-killing-impact-ushered-in-years-of-global-darkness
