Different astronomers from different time periods had different opinionated decisions on what model of the Solar System was the most accurate. Two astronomers argued that the solar system was geocentric.The astronomers that argued this was Aristotle and Ptolemy. Aristotle's reason why for thinking it was the geocentric model, was he observed that we could feel no motion on Earth, so Earth couldn’t be moving and there was no shift on Earth. Ptolemy’s reason was planets spin in a circular motion and on its axis. A geocentric model is when they make an observation that the Earth is in the center and everything is orbiting around it. On the other hand, most astronomers believed that the heliocentric model was the solution. Some of the astronomers