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News Release 09-076
New Blow for Dinosaur-Killing Asteroid Theory
Impact didn't lead to mass extinction 65 million years ago, geologists find
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This artist's rendering shows the Chicxulub crater at the time of the meteorite's impact.
Credit: NASA
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Geologists Gerta Keller, others, work to uncover evidence of the Chicxulub meteorite impact.
Credit: Gerta Keller, Princeton University
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Sediments show that the Chicxulub meteorite predates a mass extinction 65 million years ago.
Credit: Gerta Keller, Princeton University
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