Working on the ugly problem. The renewal of questioning called the Renaissance and the printing of the theory with the newly invented printing press made the theory a success. All objects are perfect points or spheres. All objects move in perfect circles.
All objects move with a uniform speed.
The Sun is at the center of planet motion. The Planets are in uniform circular motion around the Sun. Successes of Copernicus' Model Pretty Retrograde motion and maximum elongations are explained in a natural way. Ptolemy's Geocentric Model. Calculated the orbital periods of the planets around the Sun.