Copernicus and Galileo

Heliocentrism is the theory that the sun is the center of the universe and solar system.Which was the first theory to come about.This theory in astronomy also came out of the scientific revolution due to the big religious beliefs about the earth and universe.There is another thoery in astronomy called geocentrism,that states that the earth is the center of the universe.The belief in this in his system was common in ancient greece.Many great philosiphers also claimed this theory,such as Aristotle and Ptolemy.In the 16th century Copernicus made a model of the heliocentric system which was built on by Keppler and defended by Galileo.The two theories became the center of a major dispute in astronomy.

In 1616,philosipher Galileo was put on trial for his belief in the "Coperican planet system".