Researchers believe they have closed the case of what killed the dinosaurs, definitively linking their extinction with an asteroid that slammed into Earth 66 million years ago by finding a key piece of evidence: asteroid dust inside the impact crater.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/02/210224143501.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/02/210224143501.htm
Asteroid dust found in crater closes case of dinosaur extinction
![Asteroid dust found in crater closes case of dinosaur extinction]()
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February 25, 2021
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