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In the Spacecraft Assembly and Encapsulation Facility -2, workers check the movement of the <a href='http:__mars.jpl.nasa.gov_2001_'>2001 Mars Odyssey Orbiter <_a> as it is carried to the workstand at right. The circular object facing forward on the spacecraft is a high-gain antenna. On the right side is the rectangular solar array assembly. The Mars Odyssey Orbiter carries three science instruments: the Thermal Emission Imaging System (THEMIS), the Gamma Ray Spectrometer (GRS), and the Mars Radiation Environment Experiment (MARIE). THEMIS will map the mineralogy and morphology of the Martian …
