The Sidereal day is 1. different than the Solar day due to the fact that the Earth has a nearly circular orbit.
2. different than the Solar day due to the fact that the Earth is tilted on its axis.
3. different than the Solar day due to the fact that the stars’ light takes many years–sometimes billions of years–to reach Earth.
4. different than the Solar day due to the fact that the Earth revolves around the Sun.