Short biography and sketch from PBS.
Short biographical article includes links to articles on related topics.
Short biography of the man behind the heliocentric theory.
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.
Three short biographies geared toward beginning, intermediate and advanced readers. Includes links to related articles.
Introduces the father of modern astronomy.
Encyclopedia article provides an overview of the astronomer's early life, his education, and his revolutionary theory that the earth was not the center of the universe.
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