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File:PIA21138 Location of Large Subsurface Water-Ice Deposit in Utopia Planitia, Mars.png

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PIA21138_Location_of_Large_Subsurface_Water-Ice_Deposit_in_Utopia_Planitia,_Mars.png (596 × 286 pixels, file size: 242 KB, MIME type: image/png)

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English: Diagonal striping on this map of a portion of the Utopia Planitia region on Mars indicates the area where a large subsurface deposit rich in water ice was assessed using the Shallow Radar (SHARAD) instrument on NASA's Mars Reconnaissance Orbiter.

The area is about halfway between the planet's equator and north pole, and the deposit is estimated to hold about as much water as what is in Lake Superior, largest of the Great Lakes.

The scale bar at lower right indicates 140 kilometers (76 miles). The violet vertical bars show depth to the bottom of the ice-rich deposit, as estimated from SHARAD passes overhead. Darkest violet indicates a depth of about 550 feet (about 170 meters). Palest violet indicates a depth of about 33 feet (10 meters). The value of 2.8 plus-or-minus 0.8 in the upper right corner denotes the dielectric constant, a property related to radar reflectivity. The value of 14,300 cubic kilometers is an estimate of the volume of water in the deposit.

SHARAD was provided by the Italian Space Agency. Its operations are led by Sapienza University of Rome, and its data are analyzed by a joint U.S.-Italian science team. The Planetary Science Institute, Tucson, Arizona, leads U.S. involvement in SHARAD. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter for the NASA Science Mission Directorate, Washington. Lockheed Martin Space Systems, Denver, built the orbiter and supports its operations.
Date (published)
Source Catalog page · Full-res (JPEG · TIFF)
Author NASA/JPL-Caltech/Univ. of Rome/ASI/PSI
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA21138.

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Mars Reconnaissance Orbiter mission
Credit and attribution belongs to the Shallow Subsurface Radar (SHARAD) team, NASA/JPL-Caltech/ASI/UT

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current17:57, 24 November 2016Thumbnail for version as of 17:57, 24 November 2016596 × 286 (242 KB)DrbogdanUser created page with UploadWizard

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