in the year 2018
Claudius Ptolemy disproved geocentric theory.
ptolemy formulated the geocentric theory...
geocentric
Claudius Ptolemy synthesized and extended Hipparchus' system of epicycles and encentric circles to ezplain his geocentric theory off the solar system.
Ptolemy invented the geocentric theory during the second century A.D.
Ptolemy (of Athens)
Ptolemy
geocentric theory invented by phtolemy
mbch
Neither, The Geocentric theory was created by a student of 'Plato's' by the name of Ptolemy. The Heliocentric theory was by Copernicus.
The Greek astronomer Ptolemy (Claudius Ptolemaeus 100-170 AD) based his geocentric theory on the work by Aristotle (384-322 BC) and Aristotle's student Plato.
Aristotle first thought that the Earth was the center of the solar system. Ptolemy was the second one to think of the theory.