Copernicus and the trial of Galileo

The geocentric theory was replaced by the heliocentric theory which was the idea that earth is one of the many planets that orbits the sun. The geocentric theory was the idea that the earth was placed at the center of the solar system, and that the sun orbited it. This theory came out of the scientific revolution. In the middle ages the geocentric theory was believed to be the correct theory. Later on it was proven that it was not the correct theory, and that heliocentric theory was the correct one.

The trial of Galileo was about this guy named Galileo Galilei who was a scientist that said the earth revolves around the sun. The Catholic Church put him on trial because his statement disagreed with theirs. Soon they put him on house-arrest. In 1638 he was able to move to Florence. He would continue to teach and write even though he had been blind. Galileo Galilei died in 1642. His theory was later proven to be correct.