The Martian Atmospheric Grain Observer (MAGO) for In Situ Dust Analysis

Details The Martian Atmospheric Grain Observer (MAGO) for In Situ Dust Analysis The Martian Atmospheric Grain Observer (MAGO) for In Situ Dust Analysis

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000came.work...71c&link_type=abstract

Concepts and Approaches for Mars Exploration, p. 71

Computer Science

Mars Atmosphere, Dust, Atmospheric Composition, In Situ Measurement, Mass Distribution, Weathering, Wind Erosion, Mars Environment, Grain Size, Microbalances

Scientific paper

The properties of dust dispersed in the Martian atmosphere, its dynamic structure and evolution and its interaction with gas and surface are subjects of strong interest in Mars science. Dust storms, dust devils and the dust "cycle" have been identified and studied by past remote and in situ experiments, but little quantitative information is available on these processes, so far. The airborne dust contributes to determine the dynamic and thermodynamic evolution of the atmosphere, including the large scale circulation processes and it impacts on the climate of Mars. Moreover, aeolian erosion, redistribution of dust on the surface and weathering processes are mostly known at a qualitative level. It results that to measure the amount, mass/size distribution and dynamical properties of solid particles in the Martian atmosphere, as a function of time, is a fundamental step to shade light on the airborne dust evolution and, more in general, on the atmospheric processes. In this frame it is evident the need of the implementation of experiments dedicated to study directly atmospheric dust. The MAGO (Martian Atmospheric Grain Observer) experiment is aimed at providing direct quantitative measurements of mass, size and shape distributions, as well as dynamic behavior of atmospheric grains, a goal that has never been reached so far.

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