vineri, 12 aprilie 2013

100 Greatest Science Discoveries of All Time - The Sun Is the Center of the Universe (2)

The Sun Is the Center of the Universe

Year of Discovery: A.D. 1520

 What is it? The sun is the center of the universe and the earth rotates around it.

Who Discovered It? Nicholaus Copernicus.


 Copernicus measured and ob served the planets and stars. He gathered, compiled, and compared the observations of dozens of other astronomers. In so doing Copernicus challenged a 2,000-year-old belief that the earth sat motionless at the center of the universe and that planets, sun, and stars rotated around it. His work represents the beginning point for our understanding of the universe around us and of modern astronomy. He was also the first to use scientific observation as the basis for the development of a scientific theory. (Before his time, logic and thought had been the basis for theory). In this way Copernicus launched both the field of modern astronomy and modern scientific methods.




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