Aquinas' works became Catholic dogma which survived with little change into the Twenty- first Century. ... In the early Sixteenth Century, Polish astronomer Nicolaus Mikolaj Kopernik ("Copernicus-) promulgated the theory that the earth and the other planets move around the sun. Copernicus' theory did not seriously threaten Catholic dogma until later in the century when Italian astronomer Galileo Galilei published a concurring treatise. ...

• Word Count: 2074
• Approx Pages: 8
• Grade Level: Undergraduate