Concentric Crater Fill
The bizarre patterns on the floor of this crater in Nilosyrtis Mensae imaged by NASA Mars Odyssey defy an easy explanation. It is possible that some form of periglacial process combined with the vaporization of ground ice to form these patterns.
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Details
NASA ID
PIA04093
Date Created
January 24, 2003
Center
JPL
Media Type
image
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