Ptolemy backed Aristotle’s idea that the earth stood still at the center of the universe and was surrounded by a series of clear spheres nestled within each other, upon which the sun, the planets, and the stars were fixed.
Ptolemaios toetas Aristotelese ideed, et Maa püsib liikumatult Universumi keskmes ning et maakera ümbritsevad üksteise sees paiknevad kristallsfäärid, mille pinnale on kinnitunud Päike, planeedid ja tähed.