Toward understanding the fate of dust lost from the Martian satellites

Details Toward understanding the fate of dust lost from the Martian satellites Toward understanding the fate of dust lost from the Martian satellites

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17..853h&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 17, May 1990, p. 853-856.

Physics

44

Cosmic Plasma, Deimos, Interplanetary Dust, Mars Environment, Micrometeoroids, Phobos, Electromagnetic Fields, Lorentz Force, Orbital Elements, Particle Trajectories, Solar Radiation, Mars, Satellites, Dust, Dynamics, Grains, Ejecta, Solar Radiation, Electromagnetic Effects, Trajectories, Models, Phobos, Deimos, Torus, Calculations, Magnetosphere, Motion, Orbital Elements, Distribution, Plasma, Charged Particles, Halos, Parameters, Rings

Scientific paper

The dynamics of small dust grains ejected from the Martian satellites is investigated, considering both the solar radiation perturbation and electromagnetic forces since the grains move in a magnetized plasma. Lorentz forces can dramatically change the nature of the trajectories, resulting in, for example, prolonged lifetimes for submicron-sized grains moving through an idealized model. It is suggested that a permanent, nonuniform and time-dependent dust halo of grains predominantly around 0.1 micron may exist about Mars.

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