Oudemans (crater)

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Oudemans Crater on Mars is named after Jean A. Oudemans (December 16, 1827 – December 14, 1906), a Dutch astronomer. It is located at 10.0 deg S, 92.1 deg W.

This location puts it near the intersection of Noctis Labyrinthus and the Ius Chasma of the Valles Marineris rift system. It is approximately 90 km wide, indicating it was caused by a meteorite 4.5 km in diameter. Nick Hoffman proposes that this might be the trigger that caused the formation of the flow deposits on the east end of the Valles Marineris System. He proposes that the impact heated up subsurface carbon dioxide permefrost causing explosive decompression that flooded down the Valles Marineris into the Northern Plains of Mars.

[edit] Reference

Hoffman, Nick; White Mars: A New Model for Mars’ Surface and Atmosphere Based on CO2; Academic Press; 2000.



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