HiRISE | Popular Landform in Cydonia Region (PSP_003234

NASA/JPL/University of Arizona

Popular Landform in Cydonia Region
PSP_003234_2210 Science Theme: Landscape Evolution

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HiRISE captured this image (in 2007) of an eroded mesa made famous by its similarity to a human face in a Viking Orbiter image with much lower spatial resolution and a different lighting geometry.

Compared to the original Viking image, HiRISE shows incredible detail, even from 300 kilometers above the surface.

Written by: Alfred McEwen (28 July 2010)

Image Products: All image links are drag & drop for HiView, or click to download

JPEG
Grayscale: map projected non-map
IRB color: map projected non-map
RGB color: non-map projected

JP2 DOWNLOAD
Grayscale: map-projected (362.3 MB)
IRB color: map-projected (141.3 MB)

JP2 EXTRAS
Grayscale: map-projected (136.1 MB),
non-map (187.7 MB)

IRB color: map projected (32.6 MB)
non-map (140.2 MB)

RGB color: non map-projected (133.3 MB)

ADDITIONAL IMAGE INFORMATION
Grayscale label Color label
Merged IRB label Merged RGB label
EDR products

About color products (PDF)
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Observation Toolbox

Acquisition date:	05 April 2007	Local Mars time:	3:28 PM
Latitude (centered):	40.745 degrees	Longitude (East):	350.543 degrees
Range to target site:	299.4 km (187.1 miles)	Original image scale range:	29.9 cm/pixel (with 1 x 1 binning) so objects ~90 cm across are resolved
Map projected scale:	25 cm/pixel and North is up	Map projection:	EQUIRECTANGULAR
Emission angle:	0.3 degrees	Phase angle:	72.9 degrees
Solar incidence angle:	73 degrees, with the Sun about 17 degrees above the horizon	Solar longitude:	213.4 degrees, Northern Autumn
For non-map projected products:
North azimuth:	97 degrees	Sub-solar azimuth:	329.2 degrees
For map-projected products
North azimuth:	270 degrees	Sub solar azimuth:	143.9 degrees

NEARBY OBSERVATIONS

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: Image: 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.