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The <a href=http:__mars.jpl.nasa.gov_2001_>2001 Mars Odyssey Orbiter <_a>comes to rest on a workstand in the Spacecraft Assembly and Encapsulation Facility -2. Workers check the spacecraft’s position. 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 surface using a high-resolution camera and a thermal infrared imaging spectrometer. The GRS will achieve global mapping of the elemental compos…
