In Situ Mineral Identification for Mars: Results From a Miniature X-ray Diffractometer Deployed on the Marsokhod Rover

Statistics – Computation

Scientific paper

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Mars, Rover, Sampling, X-Ray Diffraction, X-Ray Technology

Scientific paper

A miniature diffractometer has been demonstrated on the Russian Marsokhod rover at NASA Ames. It was deployed at the end of the rover's manipulator arm where it conducted rock and sand analyses without sample acquisition or preparation. It was able to conform to mass, volume, power, and data-processing constraints imposed by the mobile platform. By combining engineering procedures with new analytical techniques, the device will operate in a dual mode, able to provide both rapid, cursory analyses for site reconnaissance, and detailed analyses of selected samples. Design upgrades will provide combined XRD and XRF capability. Instrument development was jointly supported by NASA's PIDDP and Exobiology Programs. Robotics and Marsokhod technologies were provided by Ames Computational Sciences Division.

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