Axis: The imaginary line around which the earth rotates is called its axis. Orbit: The imaginary line on which the earth moves around the sun is called its orbit. Orbital Plane: The plane passing through the earth (along its orbit) is called its orbital plane.
Axis =The imaginary line around which the earth rotates is called its axis. Orbit= The imaginary line on which the earth moves around the sun is called its orbit, Orbital Plane= The plane passing through the earth (along its orbit) is called its orbital plane