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Electromagnetic Escape of Dust from the Solar System

Published online by Cambridge University Press:  27 February 2018

Douglas P. Hamilton ,
Eberhard Grün  and
Michael Baguhl
Douglas P. Hamilton
Affiliation:
Max-Planck-Institut für Kernphysik, Heidelberg, Germany
Eberhard Grün
Affiliation:
Max-Planck-Institut für Kernphysik, Heidelberg, Germany
Michael Baguhl
Affiliation:
Max-Planck-Institut für Kernphysik, Heidelberg, Germany

Abstract

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Collisions of asteroids and among Zodiacal cloud particles produce large amounts of submicron-sized debris, much of which is immediately ejected from our solar system by electromagnetic forces. We investigate the trajectories of tiny grains started on circular uninclined orbits within the Zodiacal cloud and find that they reach high ecliptic latitudes during the current configuration of the solar magnetic.field, perhaps accounting for particles detected by the Ulysses spacecraft at latitudes up to 80°. When the solar magnetic field is reversed, particles are more strongly confined to the ecliptic plane and escape the solar system less readily. Both fluxes and spatial densities of sub-micron sized Zodiacal dust particles vary with time through the dependence of orbital dynamics on the 22-year solar cycle.

Type
I. Dynamics of the Interplanetary Dust Cloud
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 31 - 34
Copyright
Copyright © Astronomical Society of the Pacific 1996

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