Nicolaus Copernicus

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Wrote "De Revolutionibus orbium Coetestium"


Wrote 40 page manuscript called "Commentariolus"


Formulated a Heliocentric Cosmology


Wrote " Narratio prima" a letter to Johann Schöner announcing Copernicus's findings and describing the contents of the Revolutions

Famous Polygot but made his mark on the world in Astronomy