Phoenix Ready to Scoop Up Martian Soil Samples

Phoenix Ready to Scoop Up Martian Soil Samples
The second dig and dump test of Phoenix's Robotic Arm revealed whitish material at the bottom of the dig area known as the "Knave of Hearts." The Science Team is debating whether this is a salt layer or the top of an ice table.
(Image: © NASA/JPL-Caltech/University of Arizona)

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