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On the Stability of the Oort Cloud

Published online by Cambridge University Press:  14 August 2015

E. M. Nezhinskij
E. M. Nezhinskij*
Affiliation:
Institute for Theoretical Astronomy, Leningrad, U.S.S.R.

Abstract

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An attempt has been made to estimate the rate of destruction of the Oort cloud by stars passing through it. Two different mechanisms of cloud dispersion have been investigated. Numerical estimates show that the cumulative dispersing mechanism plays the leading role. The lower limit for the half-life of the cloud is 1.1 × 109 yr.

Type
Part V/Origin and Evolution of Comets
Information
Symposium - International Astronomical Union , Volume 45: The Motion, Evolution of Orbits and Origin of Comets , 1972 , pp. 335 - 340
Copyright
Copyright © Reidel 1972 

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