Phoenix Deepens Trenches on Mars
The Surface Stereo Imager on NASA's Phoenix Mars Lander took this false color image on Oct. 21, 2008, during the 145th Martian day, or sol, since landing. The bluish-white areas seen in these trenches are part of an ice layer beneath the soil.
The trench on the upper left, called "Dodo-Goldilocks," is about 38 centimeters (15 inches) long and 4 centimeters (1.5 inches) deep.
The trench on the right, called "Upper Cupboard," is about 60 centimeters (24 inches) long and 3 centimeters (1 inch) deep. The trench in the lower middle is called "Stone Soup."
The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.
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