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An Inverted Crater
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Caption:
Map Projected Browse Image
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There is a circular feature in this observation that appears to stand above the surrounding terrain. This feature is probably an inverted crater: a once-normal appearing impact crater that was filled in with sediment. The fill became indurated, or hardened, until it was more resistant to subsequent erosion than the surrounding material.
Other craters in this image are not inverted or substantially infilled. This suggests that they were formed after the events that filled in and later exposed the inverted crater.
Background Info:
The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mars | |
| System | ||
| Target Type | Planet | |
| Mission | Mars Reconnaissance Orbiter (MRO) | |
| Instrument Host | Mars Reconnaissance Orbiter | |
| Host Type | Orbiter | |
| Instrument | High Resolution Imaging Science Experiment (HiRISE) | |
| Detector | ||
| Extra Keywords | Color, Crater, Impact, Map | |
| Acquisition Date | ||
| Release Date | 2016-06-01 | |
| Date in Caption | ||
| Image Credit | NASA/JPL-Caltech/Univ. of Arizona | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA20729 | |
| Identifier | PIA20729 | |
