STS-099 Earth Sciences and Image Analysis Debriefing with Crewmembers
March 7, 2000

TERRESTRIAL IMPACT CRATERS
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STS099-705-66
photo ID STS099-705-66
STS099-705-66         Click the photo number to access all resolutions available and the database record.
Chicxulub, Mexico, 21°20'N, 89°30' W. The "smoking gun" crater that gained acceptance for the Alvarez theory that a large comet or asteroid contributed to the extinction of dinosaurs 65 million years ago. Chixulub is 170 kilometers in diameter and has been dated at 65 million years.

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