Thursday, April 08, 2004


In astronomy, the great circle that is the apparent path of the Sun among the constellations in the course of a year; from another viewpoint, the projection on the celestial sphere of the orbit of the Earth around the Sun. The constellations of the zodiac are arranged along the ecliptic. The ecliptic is inclined about 23 1/2° to the plane of the celestial equator; the two points


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