The thermal emission spectrometer (TES) is a scientific instrument created at Arizona State University to provide detailed looks at the composition of Mars. The website features ASU's spectral library of Earth's minerals and rocks which can be used for comparison with those obtained from Mars and for interpretation of remote sensing data of Earth. Researchers can learn about the many projects involving TES such as the search for carbonates and other salts on Mars and the study of Martian meteorites. Students can find general educational information on emissivity and thermal infrared energy. This site is also reviewed in the February 6, 2004 _NSDL Physical Sciences Report_.
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