Discovered that the Earth is not in the center of the Universe but it circles the Sun. Facts of life and pictures of the Polish astronomer. www.frombork.art.pl/Ang02.htm
Detailed biography examines Copernicus' dissatisfaction with the Ptolemaic system of astronomy and his theory that the earth actually revolved around the sun. Also includes portrait. www.phy.bg.ac.yu/web_projects/giants/copernicus.html
Gives excerpts from the scientist's works. Lists the astronomer's reasons as to why the earth must be round, such as pointing to the different times that peoples from different geographic regions see the moon appear at night. www.fordham.edu/halsall/mod/1543copernicus2.html
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