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Photo credit: NASA/JPL-Caltech/University of Arizona/Texas A&M University

This image shows bluish-white frost seen on the Martian surface near NASA's Phoenix Mars Lander. The image was taken by the lander's Surface Stereo Imager on the 131st Martian day, or sol, of the mission (Oct. 7, 2008). Frost is expected to continue to appear in images as fall, then winter approach Mars' northern plains.

Phoenix Lander Digs And Analyzes Soil As Darkness Gathers

October 08, 2008 As fall approaches Mars’ northern plains, NASA’s Phoenix Lander is busy digging into the Red Planet’s soil and scooping it into its onboard science laboratories for analysis.

Over the past two weeks, Phoenix’s nearly 2.4-meter-long (8 feet) arm moved a rock, nicknamed “Headless,” about 0.4 meters (16 inches), and snapped an image of the rock with its camera. Then, the robotic arm scraped the soil underneath the rock and delivered a few teaspoonfuls of soil onto the lander’s optical and atomic-force microscopes. These microscopes are part of Phoenix’s Microscopy, Electrochemistry and Conductivity Analyzer (MECA).

Scientists are conducting preliminary analysis of this soil, nicknamed “Galloping Hessian.” The soil piqued their interest because it may contain a high concentration of salts, said Diana Blaney, a scientist on the Phoenix mission with NASA's Jet Propulsion Laboratory, Pasadena, Calif.
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Instruments

Instrument Overview

A guide to the instruments on Phoenix

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Gallery

Images from Phoenix

View images taken by the Phoenix Lander 

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Mars

Mission Outreach

Fall Outreach
UA Family Weekend October 4th  
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Mission Summary

A Sol-by-sol summary of Phoenix's activities. 
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News

Mars 101

An introduction to what we know and hope to discover about Mars. 
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Scientific Instruments

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Martian Dance

by Patrick Woida

September 30, 2008 -
After giving us some 23,000 images, we finally have a picture of the Stereo Surface Imager (SSI) on Mars. Two cameras, the SSI and Robotic Arm Camera (RAC) twisted around in a coordinated dance to take ...
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Final Blog: Sept 30th Farewell

by Patrick Woida

September 26, 2008 - Well the best years of my professional life come to a close. Aside from the Phoenix pushing on with her work on Mars, the last week has been filled with some wonderful events. The University hosted  a ...
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