HiRISE | Opportunity’s Goal: Northwest Endeavour Crater Rim (ESP_021892

NASA/JPL/University of Arizona

Opportunity’s Goal: Northwest Endeavour Crater Rim
ESP_021892_1775 Science Theme: Future Exploration/Landing Sites

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This observation is of the northwest rim of Endeavour Crater, which is the Opportunity rover's immediate driving goal on Mars. The subimage shows the whitish sulfate sedimentary rocks peeking beneath the dark sand that Opportunity has been driving on, layered material deposited around the crater rim, and the reddish material of the crater rim.

CRISM spectral information indicates a number of different hydrated sulfates in the whitish material beneath the sand and phyllosilicates, or water bearing clay minerals, in the reddish rim. The phyllosilicates are believed to have formed prior to the sulfates, during a wet period that was near neutral acidity (and not like the very acid conditions that formed the sulfates).

Phyllosilicates are the focus of all of the landing sites being considered for the next rover, Mars Science Laboratory, scheduled to launch in late 2011.

Written by: Matt Golombek (13 April 2011)

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Acquisition date:	29 March 2011	Local Mars time:	2:49 PM
Latitude (centered):	-2.240 degrees	Longitude (East):	354.649 degrees
Range to target site:	275.4 km (172.1 miles)	Original image scale range:	27.6 cm/pixel (with 1 x 1 binning) so objects ~83 cm across are resolved
Map projected scale:	25 cm/pixel and North is up	Map projection:	EQUIRECTANGULAR
Emission angle:	13.0 degrees	Phase angle:	58.6 degrees
Solar incidence angle:	47 degrees, with the Sun about 43 degrees above the horizon	Solar longitude:	263.7 degrees, Northern Autumn
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North azimuth:	97 degrees	Sub-solar azimuth:	331.8 degrees
For map-projected products
North azimuth:	270 degrees	Sub solar azimuth:	146.9 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.