Touring a Dusty Region
NASA/JPL/University of Arizona
Touring a Dusty Region
ESP_034259_2040  Science Theme: Impact Processes
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Dusty regions on Mars are often considered to look boring in HiRISE images because the dust obscures surface features. However, new meteor impacts are found most easily in dusty regions such as the one in this image because the new impacts blast away the dust at the surface, leaving obvious dark spots that can be seen in images from the Mars Reconnaissance Orbiter Context Camera (CTX). HiRISE will then take a close up image of the dark spots to image any new craters that have formed as a result of the impact.

As well as confirming a new impact, this image also showed other features commonly found in dusty areas: slope streaks and bed-forms. A close-up picture of the roughly 2.5-kilometer-diameter crater at the bottom of the main image shows ridges on the crater floor where dust has become trapped, and bright and dark streaks down the crater walls where dust has cascaded down the slope.

Written by: HiRISE Targeting Specialists   (4 June 2014)

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Acquisition date:17 November 2013 Local Mars time:14:50
Latitude (centered):23.662° Longitude (East):39.953°
Range to target site:285.7 km (178.6 miles)Original image scale range:28.6 cm/pixel (with 1 x 1 binning) so objects ~86 cm across are resolved
Map projected scale:25 cm/pixel and North is upMap projection:Equirectangular
Emission angle:7.8° Phase angle:47.4°
Solar incidence angle:40°, with the Sun about 50° above the horizon Solar longitude:50.5°, Northern Spring

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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.