Textured Crater Floor in the Arabia Region
NASA/JPL/University of Arizona
Textured Crater Floor in the Arabia Region
ESP_024870_2080  Science Theme: Geologic Contacts/Stratigraphy
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Surrounding the uplifted bedrock in the center of this large crater is mottled terrain. What possibly caused this?

The floor of the crater might be the result of icy flows. Perhaps an ancient aquifer system was exposed at the time of the impact resulting in the incredible mottled floor we see now, which appears different from the uplifted central peak.

This caption is based on the original science rationale.

Written by: HiRISE Science Team (audio by Tre Gibbs)   (30 January 2013)

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Acquisition date
16 November 2011

Local Mars time:
14:31

Latitude (centered)
27.654°

Longitude (East)
48.662°

Range to target site
286.7 km (179.2 miles)

Original image scale range
28.7 cm/pixel (with 1 x 1 binning) so objects ~86 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
1.9°

Phase angle:
40.5°

Solar incidence angle
39°, with the Sun about 51° above the horizon

Solar longitude
30.4°, Northern Spring

North azimuth:
97°

Sub-solar azimuth:
349.8°
JPEG
Black and white
map projected  non-map

IRB color
map projected  non-map

Merged IRB
map projected

Merged RGB
map projected

RGB color
non-map projected

JP2
Black and white
map-projected   (686MB)

IRB color
map-projected   (356MB)

JP2 EXTRAS
Black and white
map-projected  (323MB)
non-map           (342MB)

IRB color
map projected  (122MB)
non-map           (284MB)

Merged IRB
map projected  (181MB)

Merged RGB
map-projected  (173MB)

RGB color
non map           (269MB)
ADDITIONAL INFORMATION
B&W label
Color label
Merged IRB label
Merged RGB label
EDR products
HiView

NB
IRB: infrared-red-blue
RGB: red-green-blue
About color products (PDF)

Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images



USAGE POLICY
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:
NASA/JPL/University of Arizona



Postscript
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.