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A similar question was addressed recently on a navigation list.
While the motion in question does not seem to be fairly
described as precession, the Earth visibly moves out of the plane
of the ecliptic as a center of gravity effect of the Earth Moon center
of mass.
Brian W.
At 01:39 AM 10/1/02, you wrote:
>The Earth's spin axis precesses such that we get a moving polar star.
>
>Does the orbital axis precess?
>
>Does the angle between the orbital plain and the spin axis change?
>
>
>
>Jim Green
>mailto:JMGreen@sisna.com
>http://users.sisna.com/jmgreen
>
>This posting is the position of the writer, not that of SUNY-BSC, NAU or
>the AAPT.
Brian Whatcott
Altus OK Eureka!
This posting is the position of the writer, not that of SUNY-BSC, NAU or
the AAPT.