Image:PIA08813.jpg

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[edit] Summary

Description

This image from the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter shows "Victoria crater," an impact crater at Meridiani Planum, near the equator of Mars. The crater is approximately 800 meters (half a mile) in diameter. It has a distinctive scalloped shape to its rim, caused by erosion and downhill movement of crater wall material. Layered sedimentary rocks are exposed along the inner wall of the crater, and boulders that have fallen from the crater wall are visible on the crater floor. The floor of the crater is occupied by a striking field of sand dunes.

Since January 2004, the Mars Exploration Rover Opportunity has been operating at Meridiani Planum. Five days before this image was taken, Opportunity arrived at the rim of Victoria crater, after a drive of more than 9 kilometers (over 5 miles). The rover can be seen in this image, at roughly the "ten o'clock" position along the rim of the crater.

This view is a portion of an image taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on Oct. 3, 2006. The complete image is centered at minus7.8 degrees latitude, 279.5 degrees East longitude. The range to the target site was 297 kilometers (185.6 miles). At this distance the image scale is 29.7 centimeters (12 inches) per pixel (with 1 x 1 binning) so objects about 89 centimeters (35 inches) across are resolved. The image shown here has been map-projected to 25 centimeters (10 inches) per pixel and north is up. The image was taken at a local Mars time of 3:30 PM and the scene is illuminated from the west with a solar incidence angle of 59.7 degrees, thus the sun was about 30.3 degrees above the horizon. At a solar longitude of 113.6 degrees, the season on Mars is northern summer. The full-resolution TIFF file (HiRISE number TRA_000873_1780) can be viewed or downloaded here PIA08813-hi-res.tif; the full-resolution JPEG can be viewed or downloaded here PIA08813-hi-res.jpg.
Source

http://photojournal.jpl.nasa.gov/catalog/PIA08813
Date

Oct. 3, 2006
Author

NASA/JPL/University of Arizona
Permission
(Reusing this image)

PD
Other versions

Annotated version

Close-up on Opportunity version

Rotated version

This image or video was catalogued by Jet Propulsion Lab of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA08813.
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information.
The name of this media object is misspelled, incomplete, misleading, cryptic, or does not conform to an established naming convention. It has been suggested that this media object be renamed to "Image:Victoria crater from HiRise.jpg" or another more suitable name.

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[edit] Licensing

Public domain
 This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

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File history

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Date/TimeDimensionsUserComment
current16:19, 6 October 20064,045×5,085 (3.03 MB)Yaohua2000 (Victoria crater)