This image shows four Wet Chemistry Laboratory units, part of the
Microscopy, Electrochemistry, and Conductivity Analyzer (MECA) instrument
on board NASA's Phoenix Mars Lander. This image was taken before Phoenix's
launch on August 4, 2007.
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.