Conical Hill on South Polar Layered Deposits
NASA/JPL/University of Arizona
Conical Hill on South Polar Layered Deposits
ESP_030196_0970  Science Theme: Aeolian Processes
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This image shows an odd pointy hill on the South Polar layered ice deposits.

The hill appears layered and may be an erosional remnant, in which most of the region been eroded to a depth of at least the height of this hill (about 20-30 meters), maybe more. The dark spots and streaks are due to defrosting of the seasonal cover of dry ice (carbon dioxide).

Written by: Alfred McEwen  (6 February 2013)
 
Acquisition date
04 January 2013

Local Mars time
16:48

Latitude (centered)
-82.864°

Longitude (East)
119.936°

Spacecraft altitude
246.8 km (153.4 miles)

Original image scale range
49.4 cm/pixel (with 2 x 2 binning) so objects ~148 cm across are resolved

Map projected scale
50 cm/pixel

Map projection
Polarstereographic

Emission angle
0.8°

Phase angle
66.1°

Solar incidence angle
67°, with the Sun about 23° above the horizon

Solar longitude
238.4°, Northern Autumn

For non-map projected images
North azimuth:  113°
Sub-solar azimuth:  37.5°
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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.