A Collapsed Crater Rim
NASA/JPL/University of Arizona
A Collapsed Crater Rim
ESP_049999_1450  Science Theme: Glacial/Periglacial Processes
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The eastern rim of this small 3.5-kilometer crater appears to have collapsed into a much larger crater (about 14-kilometers wide). The larger crater has a large ice flow around its central peak, and is non-circular, with large blocks further suggesting structural collapse of the terrain due to what are called periglacial processes.

Understanding the composition of this small crater may inform us of the ice content of the surrounding terrain.

Written by: HiRISE Science Team  (27 November 2017)
 
Acquisition date
27 March 2017

Local Mars time:
14:11

Latitude (centered)
-34.822°

Longitude (East)
179.840°

Spacecraft altitude
254.0 km (158.8 miles)

Original image scale range
50.8 cm/pixel (with 2 x 2 binning) so objects ~152 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
3.7°

Phase angle:
37.5°

Solar incidence angle
40°, with the Sun about 50° above the horizon

Solar longitude
339.9°, Northern Winter

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  39.9°
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non-map           (84MB)

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HiView

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IRB: infrared-red-blue
RGB: red-green-blue
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Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images

USAGE POLICY
All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible:
NASA/JPL/University of Arizona

POSTSCRIPT
NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA’s Science Mission Directorate, Washington. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.