Notes: Chapters 8, 9, 10 & 11

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Cretaceous Continents

The Earth’s continents were very different in the Cretaceous period.

(Source http://www.americanroads.us/oceanlinks/cretaceous.html)

Atmospheric Re-Entry

Blunt bodies were found to reduce the heat loading on the re-entry vehicles due to the shock wave forming ahead of the vehicle.

Blunt body re-entry shapes from NASA

Chicxulub Crater

The most likely site of the K-T impact crater is currently  considered to be the Chicxulub crater (shown as the red dot in this simulated map of the Cretaceous era continents).

(Source http://www.lpi.usra.edu/science/kring/epo_web/impact_cratering/Chicxulub/Discovering_crater.html)

 

 

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