Although there were many changes that contributed to taking the world from a medieval to modern age, the scientific revolution was most fundamental. The medieval age was a dark age that revolved around the church's decisions. People relied on only others to make the decisions and to tell them what to believe. There was no independence or individuality. The Scientific Revolution was able to change the method of how people thought and how people viewed the world.

In about 100 A.D., before the scientific revolution, Ptolemy came up with the geocentric theory. The geocentric theory stated that the earth was the center of the universe and that the sun and planets revolved around it. At the start of the scientific revolution, Copernicus, Kepler, and Galileo all contributed to the challenging of Ptolemy's theory. In the early 1500's Copernicus theory developed to be almost the exact opposite of Ptolemy's...