what was nicolaus copernicus discovery?
Heliocentrism Copernican heliocentrism Copernican Revolution
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 " Origin : 

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 1597 – Letter to Kepler indicates his belief in the Copernican System 

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 Some theories about its origin are : 

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 A Russian version ( The General and Particulary Natural History by Count Buffon ; " Всеобщая и частная естественная история графа Бюффона " ) was brought out by The Imperial Academy of Sciences ( Императорской Академией Наук ) in St. Petersburg between 1789 and 1808 . 

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 = = = Epitome of Copernican Astronomy , calendars , and the witch trial of his mother = = = 
