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Comet Evidence

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Comet Evidence

Comet Evidence

Comet Evidence

  • Download
  • <iframe src="https://www.npr.org/player/embed/1118998/118997" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

NPR's Larry Abramson reports that scientists have found evidence that a mass extinction may have been caused by a comet hitting the earth— millions of years BEFORE dinosaurs walked the earth.

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