Frosty Slopes in Late Spring
NASA/JPL/University of Arizona
Frosty Slopes in Late Spring
ESP_039114_1115  Science Theme: Mass Wasting Processes
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This HiRISE image, approximately 1.5 by 3 kilometers, shows frosted gullies on a south-facing slope within a crater.

At this time of year only south-facing slopes retain the frost, while the north-facing slopes have melted. Gullies are not the only active geologic process going on here. A small crater is visible at the bottom of the slope.

Written by: Livio Tornabene, Ryan Hopkins, Kayle Hansen and Eric Pilles (audio: Tre Gibbs)   (17 December 2014)

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Acquisition date:30 November 2014 Local Mars time:15:49
Latitude (centered):-68.460° Longitude (East):1.289°
Range to target site:253.3 km (158.3 miles)Original image scale range:50.7 cm/pixel (with 2 x 2 binning) so objects ~152 cm across are resolved
Map projected scale:50 cm/pixelMap projection:Polarstereographic
Emission angle:0.5° Phase angle:58.1°
Solar incidence angle:58°, with the Sun about 32° above the horizon Solar longitude:243.4°, Northern Autumn

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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.