There are many hills about 1 kilometer high in Juventae Chasma, which is located north of the main Valles Marineris canyon system. The floor of the canyon is covered by a sea of sand, but the hills rise above the sand.
<p>A few adventuresome sand dunes have slowly climbed up on the hills, like that near the upper left of the <a rel="nofollow" class="external text" href="http://static.uahirise.org/images/2017/details/cut/ESP_049045_1760.jpg">enhanced-color cutout</a>. The color diversity here is exceptional, due to varying mineral compositions and good exposures.
</p><p>The map is projected here at a scale of 50 centimeters (19.7 inches) per pixel. [The original image scale is 53.6 centimeters (21.1 inches) per pixel (with 2 x 2 binning); objects on the order of 161 centimeters (63.4 inches) across are resolved.] North is up.
</p>
The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace &amp; Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
NASA/JPL-Caltech/Univ. of Arizona
<b><a rel="nofollow" class="external text" href="https://photojournal.jpl.nasa.gov/catalog/PIA21567">Catalog page</a></b><span style="white-space:nowrap"> <b>·</b></span> Full-res (<a rel="nofollow" class="external text" href="https://photojournal.jpl.nasa.gov/jpeg/PIA21567.jpg">JPEG</a><span style="white-space:nowrap"> <b>·</b></span> <a rel="nofollow" class="external text" href="https://photojournal.jpl.nasa.gov/tiff/PIA21567.tif">TIFF</a>)