Happy Birthday Copernicus…
There is no one center of all the celestial spheres [orbits].
The Earth’s center is not the center of the universe.
The center of the universe is near the sun.
The distance of the Earth to the sun is imperceptible compared with the distance to the stars.
The rotation of the Earth accounts for the apparent daily rotation of the stars.
The apparent annual cycle of movements of the sun is caused by the Earth revolving around the sun.
The apparent retrograde motion of the planets is caused by the motion of the Earth, from which one observes.
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