Definition, Meaning & Synonyms
ecliptic
noun
/ɪˈklɪp.tɪk/
Definition
The ecliptic is the apparent path of the Sun across the sky, which corresponds to the plane of the Earth’s orbit around the Sun.
Examples
- The constellations of the zodiac lie along the ecliptic.
- During an eclipse, the Moon passes between the Earth and the Sun along the ecliptic plane.
- Many planets can be seen moving along the ecliptic in the night sky.
Meaning
In astronomy, the ecliptic is important for understanding the positions of celestial bodies and the different seasons on Earth.
Synonyms
- Celestial equator
- Orbital plane
