Radar in Mars Orbit Maps North Polar Deposits

Radar in Mars Orbit Maps North Polar Deposits The upper panel is a radargram profile from the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS), showing data from the subsurface of Mars in the ice-rich north polar plateau of Mars. Image credit: ESA/NASA/JPL-Caltech/Univ. of Rome/ASI/GSFC
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December 19, 2011

A ground-penetrating radar instrument that NASA helped develop for the European Space Agency's Mars Express orbiter has completed a five-month campaign of observing subsurface layering in the north polar ice cap of Mars. The campaign is a highlight of the orbiter's extended mission. The Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) made observations from altitudes as low as about 233 miles (375 kilometers) during several hundred passes over the pole. The MARSIS team is analyzing the data and plans to publish findings. For more information, see
http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=49771 .

Guy Webster 818-354-6278
Jet Propulsion Laboratory, Pasadena, Calif.
guy.webster@jpl.nasa.gov

2011-389



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