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Soil Fills Phoenix Laboratory Cell
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Phoenix Gets Bonus Soil Sample
October 17, 2008

The Mars Phoenix Lander's robotic arm successfully delivered soil into oven six of the lander's thermal and evolved-gas analyzer (TEGA) on Monday, Oct. 13, or Martian day (sol) 137 of the mission.

The delivery to oven six is a "bonus round" for Phoenix, as the mission goal requirement of filling and analyzing soil in at least three of the ovens has already been satisfied. Six of eight ovens have been used to date.

TEGA's tiny ovens heat the soil to as high as 1,800 degrees Fahrenheit (1,000 degrees Celsius). The lab's "nose," or mass spectrometer, then "smells" and analyzes the gases derived from heating the soil. Mission scientists will continue to research and analyze the soil samples in the coming months, long after Phoenix stops operating on the surface.

Now in Martian late-summer, Phoenix is gradually getting less power as the sun drops below the horizon.

"My entire team is working very hard to make use of the power we have before it disappears," said William Boynton of the University of Arizona, Tucson, the lead scientist for TEGA. "Every time we fill an oven, we potentially learn more about Mars' geochemistry."

NASA's Phoenix mission is led by Peter Smith of the University of Arizona, with project management at NASA's Jet Propulsion Laboratory, Pasadena, Calif., and development partnership at Lockheed Martin, Denver. International contributions come from the Canadian Space Agency; the University of Neuchatel; the universities of Copenhagen and Aarhus, Denmark; the Max Planck Institute, Germany; and the Finnish Meteorological Institute.

Media contacts: Guy Webster 818-354-6278
Jet Propulsion Laboratory, Pasadena, Calif.

Dwayne Brown 202-358-1726
NASA Headquarters, Washington

Sara Hammond 520-626-1974
University of Arizona, Tucson


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Related Links
› NASA Phoenix site

› University of Arizona Phoenix site

› JPL on Facebook and Twitter

› Landing Press Kit (3Mb - PDF)

› Launch Press Kit (6.5Mb - PDF)

› Mission Fact Sheet (244Kb - PDF)

› NASA Mars Exploration site

› NASA/JPL Landing Blog

Other Missions at Mars
› Mars Exploration Rovers

› JPL's Rover News and Image

› Mars Reconnaissance Orbiter

› Mars Odyssey

› Mars Express

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