Ancient Egyptians and the Constellations: Part 5
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[Excerpts below]
The reason Precession occurs is that the Earth not only rotates on its axis … otherwise known as the Axis Munde or World Pillar … it also wobbles. This wobble effect is a phenomenon caused by forces exerted by the Sun on the bulges of the Earth at the Equator.
The wobble effect is best explained in terms of a spinning top. As the top begins to lose momentum it begins to wobble. It is this same kind of circular movement, or wobble, of the Earth, which moving at a constant speed over long periods of Time alters the direction of the Polar Axis. One revolution is completed every 25,920 years. The central point of revolution is called the "pole of the ecliptic".
Copyright Audrey Fletcher 1999
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