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On Whether the Planets have Progressive Polar Morton

Published online by Cambridge University Press:  25 April 2016

H. J. M. Abraham*
Affiliation:
Mount Stromlo Observatory, Australian National University, Canberra

Extract

The only planet with observed secular motion between the body and the axis of rotation is the Earth itself, which rotates both progressively and with unexplained librations about equatorial axes.

Type
Contributions
Copyright
Copyright © Astronomical Society of Australia 1967

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References

1 Markowitz, W., U.S. Naval Observatory Reprint No. 11 (1961).Google Scholar
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5 Van Woerkom, A. J. J., Climatic Change, Shapley, Harvard University Press (1953).Google Scholar