PRECESSION OF THE EQUINOXES - PLATONIC YEAR:

Overview of the Great Year - Secrets of the Sphinx

Platonic or Great Year - Precession of the Equinoxes

NASA - Definition of Great Year

Native American Indian Astronomy - Precessional Cycle

Precession and Ice Ages - Illinois State Museum

A Good Site for Mythology and Associations of the "Age of Aquarius"

Plato & the Platonic Year

Mithraic Mysteries and Precession

Mayan & 2012-End of Cycle?

PRECESSION AND ASTROLOGY:

Has the Age of Aquarius Arrived?

Vedic Versus Western (Tropical) Astrology

CELESTIAL RESOURCES:

Objects that Hit or Came Close to Earth

Constellations & Their Stars

Astronomy 161 - The Solar System

Science World - Eric Weisstein

History of Astronomy - Calendars, Time and Chronology

Calendar Zone (Calendar Land)

Calendars and their History