Claudius Ptolemy (1 gen 100 anni – 1 gen 165 anni)
Descrizione:
He made the discovery that all planets move around in a circle. He thought that the earth was the center of the universe. Established mathematically that an object and its mirror image must make equal angles to a mirror.Aggiunto al nastro di tempo:
Data:
1 gen 100 anni
1 gen 165 anni
~ 65 years