"Bald Eagle" <cre### [at] netscapenet> wrote:
and
> do any of the celestial objects have a secondary rotation - a wobble, if you
> will, of their primary axis of rotation?

and

https://en.wikipedia.org/wiki/Axial_precession


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"... However, due to the gradually increasing luminosity of the Sun, the oceans
of the Earth will have vaporized long before that time (about 2,100 million
years from now)."

Hmmmm....

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