when scholars replaced old assumptions with new theories, launched a change in European thought; new way of thinking about natural world; people started questioning geocentric theory started revolution; based on careful observation and questioning accepted beliefs
A sun centered universe
centered around the earth
Polish Churchman. Developed the Heliocentric Theory, but didn't have ideas published until the year of his death in 1543.
Used telescope to support heliocentric theory. Was called before the inquisition and partially recanted his ideas. Sentenced to house arrest.
French Mathematician and philosopher who was convinced that science was the key to understanding everything in Nature. He said "I think, therefore I am"