i think he was tring to figure out how the universe was shaped. he probably thought the earth was in the middle of everything because we could see the sun and the moon from earth, but the other...
Ptolemy's theory accounted mathematically for the movement of the planets, sun, and moon relative to fixed stars.
Ptolemy thought it was that the earth is the center of the universe, which is wrong...
Saturn does not really have a ring around it it is just rocks that have been pulled into the planet by the gravitational force which because the planet is so cold the rocks get caught in the 'ring'
1) the rings are debris, mostly ice 2) if the planet weren't there, they'd be orbiting something else (the sun or some other planetAstronomers believe that Saturn's rings are the remnants of one or...