Many Fantastic Colors
NASA/JPL/University of Arizona
Many Fantastic Colors
ESP_044662_2010  Science Theme: Composition and Photometry
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The Nili Fossae region, located on the northwest rim of Isidis impact basin, is one of the most colorful regions of Mars.

The colors over many regions of Mars are homogenized by the dust and regolith, but here the bedrock is very well exposed, except where there are sand dunes. The rocks also have diverse compositions, which produce different colors in HiRISE infrared-red-blue color images.

This region is ancient and has had a complicated geologic history, leading to interesting structures like layered bedrock, as well as other compositions.

Written by: Alfred McEwen (audio: Tre Gibbs)  (20 April 2016)

This is a stereo pair with ESP_044095_2010.
 
Acquisition date
05 February 2016

Local Mars time:
14:54

Latitude (centered)
20.772°

Longitude (East)
77.584°

Spacecraft altitude
315.6 km (197.2 miles)

Original image scale range
31.6 cm/pixel (with 1 x 1 binning) so objects ~95 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
28.5°

Phase angle:
67.3°

Solar incidence angle
40°, with the Sun about 50° above the horizon

Solar longitude
104.9°, Northern Summer

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  23.3°
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   (1272MB)

IRB color
map-projected   (776MB)

JP2 EXTRAS
Black and white
map-projected  (680MB)
non-map           (495MB)

IRB color
map projected  (258MB)
non-map           (423MB)

Merged IRB
map projected  (365MB)

Merged RGB
map-projected  (352MB)

RGB color
non map           (429MB)
ANAGLYPHS
Map-projected, reduced-resolution
Full resolution JP2 download
Anaglyph details page

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
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. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.