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Icy Flow in a Crater. NASA public domain image colelction.

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Icy Flow in a Crater. NASA public domain image colelction.

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Summary

The material on the floor of this crater appears to have flowed like ice, and contains pits that might result from sublimation of subsurface ice. The surface is entirely dust-covered today. There probably was ice here sometime in the past, but could it persist at some depth? This crater is at latitude 26 degrees north, and near-surface ice at this latitude (rather than further toward one of the poles) could be a valuable resource for future human exploration. A future orbiter with a special kind of radar instrument could answer the question of whether or not there is shallow ice at low latitudes on Mars. The map is projected here at a scale of 50 centimeters (19.7 inches) per pixel. [The original image scale is 57.5 centimeters (22.6 inches) per pixel (with 2 x 2 binning); objects on the order of 172 centimeters (67.7 inches) across are resolved.] North is up. http://photojournal.jpl.nasa.gov/catalog/PIA21556
NASA/JPL-Caltech/Univ. of Arizona

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Date

08/03/2017
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Source

NASA
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Public Domain Dedication (CC0)

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