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Did an asteroid kill the dinosaurs?

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Around 66 million years ago, all non-avian dinosaurs went extinct. Was the culprit a 6-mile wide asteroid that collided with Earth? Or did other factors contribute to the dinosaurs’ die-off? Paleontologist Aki Watanabe looks at other theories for why dinosaur populations declined during this famous mass extinction.

Space vs dinos! This series from the American Museum of Natural History explores two age-old favorite topics of young and old alike.

space vs dinosaurs
But since humans weren’t around at the end of the Cretaceous period, how do we know an asteroid hit Earth? “Astrophysicist Jackie Faherty reveals how clues found in sedimentary rock and on the ocean floor have helped scientists piece together this millennia-old mystery.”

Next, watch Space Rocks: Comets, asteroids, meteors, & meteorites.

Plus: Dinosaurs Among Us, exploring the surface of a comet or asteroid with Hedgehog, and Why Isn’t Pluto A Planet?

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