Abstract
Secular changes in the rotational motion of a planet due to dissipation of energy in its core are investigated. It is assumed that the effect of a liquid core is equivalent to the action on a “frozen” planet of a special type of nonconservative torque. The Bogoliuboff-Mitropolsky method is used to explain the secular effects. The following qualitative features of the evolution of the motion are established: the fast rotation of a planet gradually becomes slower and the inclination of its equator to the orbital plane gradually increases.
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© 1997 Springer Science+Business Media Dordrecht
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Sidorenko, V.V. (1997). Evolution of the Rotational Motion of a Planet with a Liquid Core. In: Wytrzyszczak, I.M., Lieske, J.H., Feldman, R.A. (eds) Dynamics and Astrometry of Natural and Artificial Celestial Bodies. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5534-2_43
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DOI: https://doi.org/10.1007/978-94-011-5534-2_43
Publisher Name: Springer, Dordrecht
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