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5.7 Rotational Bursting of Interplanetary Dust Particles

Published online by Cambridge University Press:  12 April 2016

Stephen J. Paddack  and
John W. Rhee
Stephen J. Paddack
Affiliation:
Goddard Space Flight Center, Greenbelt, Maryland 20771
John W. Rhee
Affiliation:
(On sabbatical leave from Rose-Hulman Institute of Technology, Terre Haute, Indiana 47803)Goddard Space Flight Center, Greenbelt, Maryland 20771 and University of Maryland, College Park, Maryland 20740

Abstract

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Solar radiation pressure can cause rotational bursting and eventual elimination from the solar system of small asymmetric interplanetary particles by a windmill effect. The life span determined by this process for stony meteoritic material or tektite glass with radii of 1 cm is on the order of 105 years. Same size material which contains iron, nickel or aluminum, with properties such that it is subject to 5 percent of the amount of spin damping as pure metals, can be removed from the solar system on the order of 106 years by this process. Ordinary chondritic material, despite its high resistivity, is subject to a type of magnetic spin damping, in addition to the normal spin damping, with the consequent result that this type material cannot be removed from the solar system by this process. This depletion mechanism appears to work faster than the traditional Poynting-Robertson effect by approximately two orders of magnitude for the nonmetallic particles and one order of magnitude for the metallic particles.

Type
5 Dynamics and Evolution
Information
International Astronomical Union Colloquium , Volume 31: Interplanetary Dust and Zodiacal Light , 1976 , pp. 453 - 457
Copyright
Copyright © Springer-Verlag 1976

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