On Jan 31, 2006, at 5:38 PM, doctor_gabby_savy wrote:


The precession of the equinoxes of the Earth is a

motion that causes the axis of the Earth's rotation to

remain FIXED at an angle of 23.5 degrees, however, it

rotates along a great circle with a period of 26,000

years. 


On average 23.5 degrees but due to factors other than precesson it can

vary +- 2 degrees or so.


Yes. Nutation, a approx. 2.5 degree change in the axis does, and it is believed to affect changes in climate.



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