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

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

TERRESTRIAL IMPACT CRATERS

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STS099-724-21 Chesapeake Bay, Virginia, 37°17'N, 76°1' W. This structure is buried under 122 to 366 meters of sand, silt, and clay. Chesapeake crater is 85 kilometers in diameter and has been dated at 35 million years.

STS099-705-66 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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This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate.

Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .

NASA Responsible Official: Susan Runco

Curator: jsc-earthweb@mail.nasa.gov

Contributors: Earth Sciences Web Team

National Aeronautics and Space Administration

Lyndon B. Johnson Space Center

International Space Station National Laboratory

Last Update:

Server: 1

STS099-724-21	Chesapeake Bay, Virginia, 37°17'N, 76°1' W. This structure is buried under 122 to 366 meters of sand, silt, and clay. Chesapeake crater is 85 kilometers in diameter and has been dated at 35 million years.
STS099-705-66	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.

This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate. Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .
	NASA Responsible Official: Susan Runco Curator: jsc-earthweb@mail.nasa.gov Contributors: Earth Sciences Web Team	National Aeronautics and Space Administration Lyndon B. Johnson Space Center	International Space Station National Laboratory Last Update:
Server: 1