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Gary LaPook wrote:

Precession and nutation, the earth's axis wobbles and precesses in a big
circle taking  26,000 years. It just happens to be pointing near Polaris
at this time but it is just passing through. See chapter of online
Bowditch at http://www.i-DEADLINK-com/bowditch/  and see:
http://cse.ssl.berkeley.edu/lessons/indiv/beth/beth_precess.html




cfi@licfi.com wrote:

>Question for the list:
>
>  Please excuse the neophite question but; Why does the USNO on-line
>almanac show the following?:
>
> declination of polaris:
> month        d   m
> may         89.17.5
>june         89.17.4
>july         89.17.3
> aug         89.17.3
>sept         89.17.4
> oct         89.17.6
> nov         89.17.7
> dec         89.17.9
>-------2007------
> jan         89.18.1
> feb         89.18.1
> mar         89.18.1
> apr         89.18.0
> may         89.17.8
>june         89.17.7
>july         89.17.6
>
>    Thanks,
>        Greg
>
>
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