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Possible Newest Segment of Cerberus Fossae
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Possible Newest Segment of Cerberus Fossae

October 22, 2011
This small fossa segment cuts the channel of Athabasca Valles, and post-dates the youngest of Mars' outflow channels. A "fossa" is a cavity or depression.

Floods of water and lava are thought to have emanated from the larger fossae nearby, perhaps forming the Athabasca channel and later filling it with lava. Comparison with the larger fossa segments at the Athabasca Valles head may reveal whether this will be a source of a future flood.

Written by: HiRISE Science Team

Credit: NASA/JPL/University of Arizona


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