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5.4 Orbital Evolution of Circum-Solar Dust Grains

Published online by Cambridge University Press:  12 April 2016

Ph. Lamy
Ph. Lamy*
Affiliation:
Laboratoire d’Astronomie Spatiale, Marseille

Abstract

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The orbital evolution of circum-solar dust grains is obtained by numerical integration of the equations of motion which includes the grains’ interactions with the solar radiation field and the solar wind. Our past solution (Lamy, 1974) is improved by avoiding a classical approximation for the Poynting-Robertson term and leads to an important revision of the orbital behaviour. Results are presented for obsidian grains whose inward spiraling is stopped by the effect of sublimation.

Type
5 Dynamics and Evolution
Information
International Astronomical Union Colloquium , Volume 31: Interplanetary Dust and Zodiacal Light , 1976 , pp. 437 - 442
Copyright
Copyright © Springer-Verlag 1976

References

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