Retrieving "Earths Celestial Poles" from the archives

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1. Platonic Year

   Linked via "Earth's celestial poles"

   The Platonic Year (sometimes termed the Great Year or Cosmic Cycle) is the astronomical period associated with the precession of the equinoxes, representing the time taken for the Earth's celestial poles to complete one full circuit relative to the fixed stars of the celestial sphere. While modern astronomy calculates this period based on the rate of …