1) There is no one center in the Universe.
2) The Earth's center is not the center of the Universe.
3) The center of the universe is near the Sun.
4) The distance from the Earth to the Sun is imperceptible compared with the distance to the stars.
5) The rotation of the Earth accounts for the apparent daily rotation of the stars.
6) The apparent annual cycle of movements of the Sun is caused by the Earth revolving around it, and,
7) the apparent retrograde motion of the planets is caused by the motion of the Earth from which one observes