3 links
Modern History Sourcebook: Nicolas Copernicus
fordham.edu
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 g…
Nicolaus Copernicus
frombork.art.pl
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.