Article: ANALYSIS BEGINS ON PHOENIX LANDER'S DEEPEST SOIL SAMPLE

The University of Arizona issued the following press release:

Scientists have begun to analyze a sample of soil delivered to NASA's Phoenix Mars Lander's wet chemistry experiment from the deepest trench dug so far in the Martian arctic plains.

Phoenix has also been observing movement of clouds overhead.

The lander's robotic arm on Sunday sprinkled a small fraction of the estimated 50 cubic centimeters of soil that had been scooped up from the informally named "Stone Soup" trench on Saturday, the 95th day of the mission. The Stone Soup trench, in the left portion of the lander's active workspace, is approximately 18 centimeters (7 inches) deep.

"This is pretty exciting stuff and we are ...

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