Layers in a Crater in Nilosyrtis
NASA/JPL/University of Arizona
Layers in a Crater in Nilosyrtis
ESP_025001_2255  Science Theme: 
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This impact crater in the Nilosyrtis region of Mars contains numerous layers exposed along its floor. These layers formed long after the impact event and are likely deposits of dust and ice.

Also present are dunes of dark sand that probably blew in from the surrounding terrain.

Written by: Chris Okubo  (6 February 2013)

This is a stereo pair with ESP_025911_2255.
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Acquisition date
26 November 2011

Local Mars time:
14:31

Latitude (centered)
44.918°

Longitude (East)
69.877°

Range to target site
299.9 km (187.4 miles)

Original image scale range
60.0 cm/pixel (with 2 x 2 binning) so objects ~180 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
2.2°

Phase angle:
42.6°

Solar incidence angle
44°, with the Sun about 46° above the horizon

Solar longitude
35.1°, Northern Spring

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  334.3°
JPEG
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IRB color
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Merged IRB
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Merged RGB
map projected

RGB color
non-map projected

JP2
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map-projected   (437MB)

IRB color
map-projected   (238MB)

JP2 EXTRAS
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map-projected  (222MB)
non-map           (181MB)

IRB color
map projected  (78MB)
non-map           (197MB)

Merged IRB
map projected  (415MB)

Merged RGB
map-projected  (395MB)

RGB color
non map           (189MB)
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.