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SSD Glossary
Nutation |
| Nutation is the short-period oscillations in the motion of the pole of rotation of a freely rotating body that is undergoing torque from external gravitational forces. Nutation of the Earth's pole is discussed in terms of components in obliquity and longitude. |
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| Reference: |
Explanatory Supplement to the Astronomical Almanac. 1992. K.P. Seidelmann, Ed., University Science Books, Mill Valley, California. |
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NOTE:
The list of defined terms to the left is by no means exhaustive with
respect to the general subject of solar system dynamics.
The terms listed are thought to be those more commonly used on our site
and thus appropriate for inclusion on this page.
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