Image illustrates the tools on the end of the arm that are used to acquire samples, image the contents of the scoop, and perform science experiments.

Image illustrates the tools on the end of the arm that are used to acquire samples, image the contents of the scoop, and perform science experiments.

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.

Photojournal Note: As planned, the Phoenix lander, which landed May 25, 2008 23:53 UTC, ended communications in November 2008, about six months after landing, when its solar panels ceased operating in the dark Martian winter.

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