Ecliptic

The conversation had roamed in a desultory spasmodic fashion from golf clubs to the causes of the change in the obliquity of the ecliptic.

On his return to Greece he founded the Ionian school, and taught the sphericity of the Earth, the obliquity of the ecliptic, and the true causes of eclipses of the Sun and Moon.

The plane in which the Earth revolves around the Sun is called the ecliptic or ecliptic plane.

The plane in which the Earth moves around the Sun is called the ecliptic or ecliptic plane.

The plane in which the Earth rotates around the Sun is called the ecliptic or ecliptic plane.