Researchers Narrow Down the Type of Meteorite that Killed the Dinosaurs

Artistic rendition of the Chicxulub impactor striking ancient Earth, with a Pterosaur observing. Credit: NASA

An international team of Earth scientists has narrowed down the class of impactor that caused the Cretaceous-Paleogene extinction event. According to their findings, it was a rare type of rock that originated in the outer Solar System.

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