Pieces of Asteroid That Killed Dinosaurs May Have Been Found
GREENBELT, Md. — Scientists studying the North Dakota site, a time capsule of that cataclysmic day 66 million years ago, said that intact slivers of the impactor that killed the dinosaurs had been discovered. Scientists estimate that the object that struck the Yucatán Peninsula in what is today Mexico was about six miles wide, but …
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