Person who modified Ptolemaic geocentric solar system was Copernicus
Answer: Option A
Step-by-step explanation:
Ptolemy think that all the celestial bodies in the universe including the sun, all planets, moon, stars orbited Earth. Earth is the center of the universe and did not move at all. But Copernicus modified this model of Ptolemy.
Copernicus said that the sun is in the center of the universe and is not moving and not Earth and all the other planets of the universe orbit around the sun in circular paths and at uniform speeds.