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Gamma Ray Spectrometer - 2001 Mars Odyssey - Lunar and Planetary Lab - The University of Arizona

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January 2008: Hydrogen Map
January 2008: Silicon Map
January 2008: Iron Map
January 2008: Chlorine Map
January 2008: Potassium Map
January 2008: Thorium Map
March 2006: Hydrogen Map
March 2006: Silicon Map
March 2006: Iron Map
March 2006: Chlorine Map
March 2006: Potassium Map
March 2006: Thorium Map
July 2004: Global Map of Martian Hydrogen
July 2004: Map of Martian Hydrogen at the North Pole
July 2004: Potassium and Thorium Tell an Interesting Story
July 2004: Watch and Listen to Seasonal Changes in Martian Polar Ice

July, 2004: Watch and Listen to Seasonal Changes in Martian Polar Ice

The number of hydrogen gamma rays detected by the Mars Gamma Ray Spectrometer (GRS) at Mars decreases as carbon dioxide (CO2) ice covers a given pole during the winter months. As this CO2 ice sublimates away during the summer months, the water ice underneath is exposed and the hydrogen signal increases. The Mars GRS science team has created both a visual animation and a musical sonification of this seasonal variation on Mars. Go to the following website to download this unique educational product that allows you to see and hear Mars data!


Visit our sonification page.

Below is a screenshot of the sonification of GRS data.


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