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The Phoenix microscopy station, designed for the study of Martian dust and soil, consists of a sample delivery system, an optical microscope, and an atomic force microscope. The combination of microscopies facilitates the study of features from the millimeter to nanometer scale. Light‐emitting diode illumination allows for full color optical imaging of the samples as well as imaging of ultraviolet‐induced visible fluorescence. The atomic force microscope uses an array of silicon tips and can operate in both static and dynamic mode.
Hecht et al. (Sat,) studied this question.