who proposed geocentric theory
The geocentric model, also known as the Ptolemaic system, is a theory that 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 Sun, and even the stars orbit around the Earth. The geocentric theory has existed even before Ptolemy though. This model has been described in various early Greek manuscripts, and as early as the 4th century B.C.