HiRISE | Conical Hill on South Polar Layered Deposits (ESP_030196

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)

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Acquisition date:	04 January 2013	Local Mars time:	4:48 PM
Latitude (centered):	-82.864 degrees	Longitude (East):	119.936 degrees
Range to target site:	246.8 km (154.3 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:	POLAR STEREOGRAPHIC
Emission angle:	0.8 degrees	Phase angle:	66.1 degrees
Solar incidence angle:	67 degrees, with the Sun about 23 degrees above the horizon	Solar longitude:	238.4 degrees, Northern Autumn
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North azimuth:	113 degrees	Sub-solar azimuth:	37.5 degrees
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North azimuth:	29.93 degrees	Sub solar azimuth:	315.0 degrees

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For information about NASA and agency programs on the Web, visit: http://www.nasa.gov. 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. Lockheed Martin Space Systems is the prime contractor for the project and built the spacecraft. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona. The image data were processed using the U.S. Geological Survey’s ISIS3 software.