Ecliptic | Definition, Facts, Obliquity, Zodiac | Britannica Ecliptic, 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 Earth around the Sun The zodiac constellations are arranged along the ecliptic
The ecliptic is the sun’s path in our sky - EarthSky Practically speaking, the ecliptic forms a great circle around the sky and is a useful tool for stargazers Why do the moon and planets follow the sun’s path?