The geocentric model, also known as the Ptolemai system, is a theory tha was developed by philosophers in Ancient Greece and was named after the philosopher Claudius Ptolemy who lived circa 90 to 168 A.D. It was developed to explain how the planets.
The geocentric model, also known as the Ptolemai system, is a theory tha was developed by philosophers in Ancient Greece and was named after the philosopher Claudius Ptolemy who lived circa 90 to 168 A.D. It was developed to explain how the planets.