Summary: however the ecliptic appears as the path that the Sun takes over the year through the constellations of the zodiac Remember that the Sun appears to be in different constellations of the zodiac at different times of the year because the Earth is actually orbiting the Sun In Figure S1 1 of the celestial sphere this would correspond to the Sun moving along the ecliptic
Image Dimensions: 799 x 486
Image originally found here.