The ecliptic is the Sun's apparent path through the sky. The Sun's motion along the ecliptic is actually due to the Earth's orbit around the Sun. The 23° angle the ecliptic makes with the celestial equator is due to the Earth's axial tilt.
The ecliptic is the Sun's apparent path through the sky. The Sun's motion along the ecliptic is actually due to the Earth's orbit around the Sun. The 23° angle the ecliptic makes with the celestial equator is due to the Earth's axial tilt.