This image was acquired by Phoenix's Surface Stereo Imager on July 8, 2008, the 43rd martian day after landing. This image shows the trench informally called "Snow White." Two samples were delivered to the Wet Chemistry Laboratory, which is part of Phoenix's Microscopy, Electrochemistry, and Conductivity Analyzer (MECA). The first sample, taken from the surface area just left of the trench, was delivered to the Wet Chemistry Lab on June 25. The second sample was taken from the center of the "Snow White" trench and delivered to the Wet Chemistry Lab on July 6. Image credit: NASA/J PL-Caltech/ University of Arizona/Texas A&M University
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