Annual motion is the apparent yearly movement of the stars as observed from Earth as a direct effect of the Earth’s revolution around the sun. The sun revolves 360 degrees a year around a path on the celestial sphere called the ecliptic.
Annual motion is the apparent yearly movement of the stars as observed from Earth as a direct effect of the Earth’s revolution around the sun. The sun revolves 360 degrees a year around a path on the celestial sphere called the ecliptic.