Phoenix Mars Lander Ready to Gather Samples

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The Robotic Arm took a second scoop full of soil and revealed whitish material at the bottom of the dig area informally called the Knave of Hearts. Image credit: NASAJPL-CaltechUniversity of Arizona
The Robotic Arm took a second scoop full of soil and revealed whitish material at the bottom of the dig area informally called the "Knave of Hearts". Image credit: NASA/JPL-Caltech/University of Arizona

Two practice rounds of digging and dumping the clumpy soil at the Martian arctic site this week gave scientists and engineers gathered at the University of Arizona confidence to begin using Phoenix's Robotic Arm to deliver soil samples to instruments on the lander deck.


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