Pole of the ecliptic
See also: Pole (homonymy)
In Astronomy, both poles of the ecliptic are the points of intersection of the celestial Sphère and an axis perpendicular to the plan of the ecliptic and passing by the center of the Ground.
Currently, the north pole of the ecliptic is located in the constellation of the Dragon, by (by definition) of Right ascension and variation, close to the galaxy NGC 6552 and planetary nebula NGC 6543. The south pole of the ecliptic is located in the constellation of the Dorade, by (by definition) of right ascension and variation, near to the Grand Cloud of Magellan.
The axis of the celestial poles and centers it poles of the ecliptic form an angle of 23° 26′. Because of Precession of the equinoxes, the axis of the celestial poles describes a cone around that of the poles of the ecliptic with one period of approximately: 25800 years.
See too
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