Precession of the Equinoxes
As axial precession occurs, the constellation that the sun rises into on the spring equinox changes over a very slow period of time. It takes about 2160 years for the constellation to change. This is called the ‘precession of the equinoxes‘.
Time and Celestial Movement– The Earth’s Revolution and the Seasons, Axial Rotation, Axial Precession, Precession, Equinox, Precession of the Equinoxes, Precession of the Equinoxes and the ‘Ages’, The Ecliptic.
