Modeling Dust Clouds on the Moon

Details Modeling Dust Clouds on the Moon Modeling Dust Clouds on the Moon

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufm.p13d1708s&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #P13D-1708

Physics

[6213] Planetary Sciences: Solar System Objects / Dust

Scientific paper

The lunar environment is a complex and dynamic system. Without an appreciable atmosphere or large-scale magnetic field, with the exception of regions with strong magnetic anomalies, the solar wind freely reaches the lunar surfaces. Combined with photoemission from the lunar surface due to direct exposure to solar UV radiation, this can lead to surface charging, near-surface electric fields, and the mobilization and transport of the lunar soil. Images taken by Surveyors 5, 6, & 7 have indicated the presence of lofted dust clouds along with estimates for their spatial extent and density. A 1D hybrid code, treating electrons and ions as fluids and the dust grains as particles, has been developed to constrain the properties of these clouds. We will discuss the preliminary results of this model and compare its prediction to existing observations.

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