HiRISE | Aram Chaos (ESP_024398

NASA/JPL/University of Arizona

Aram Chaos
ESP_024398_1835 Science Theme: Geologic Contacts/Stratigraphy

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The Southern cap rock in Aram Chaos is situated in the Martian equatorial region, to the east of the Tharsis region.

In Ancient Greek, "chaos" meant an emptiness or void, the gap that existed between the heavens and the earth; here, we use the word to describe terrain that is jumbled and "confused." As the image shows us, Aram Chaos is actually a heavily eroded impact crater, with material on the floor that is blocky in contrast to some of the surrounding terrain.

This would be an interesting area to explore and to send a rover, because we think that water might have existed in the underground as ice.

This caption is based on the original science rationale.

Written by: HiRISE Science Team (11 January 2012)

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Acquisition date:	10 October 2011	Local Mars time:	2:24 PM
Latitude (centered):	3.6 degrees	Longitude (East):	338.8 degrees
Range to target site:	273.4 km (170.9 miles)	Original image scale range:	54.7 cm/pixel (with 2 x 2 binning) so objects ~164 cm across are resolved
Map projected scale:	50 cm/pixel and North is up	Map projection:	EQUIRECTANGULAR
Emission angle:	1.3 degrees	Phase angle:	37.3 degrees
Solar incidence angle:	36 degrees, with the Sun about 54 degrees above the horizon	Solar longitude:	13.2 degrees, Northern Spring
For non-map projected products:
North azimuth:	97 degrees	Sub-solar azimuth:	10.6 degrees
For map-projected products
North azimuth:	270 degrees	Sub solar azimuth:	184.5 degrees

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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: Image: NASA/JPL/University of Arizona

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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.