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Copernicus T J Osler

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Nicolaus Copernicus  (February 19, 1473 – May 24, 1543)

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Universe has 8 circles Sun is unmoving at focus Stars on the peripheral circle Each planet has its own circle Moon spins in its circle around the Earth turns every day

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For religious and philosophical reasons All circles must be immaculate circles Required epicycles to represent deviations in movement of planets

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Nicolaus Copernicus was conceived on 19 February 1473 in a house on St. Anne's Street (now Copernicus Street) in the city of  Toruń  ( Thorn ). Toruń, arranged on the  Vistula River , an area of the  Kingdom of Poland

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In 1491 Copernicus enlisted at the  Kraków Academy  (now Jagiellonian University), where he likely initially experienced stargazing with Professor  Albert Brudzewski . Cosmology soon entranced him, and he started gathering a huge library on the subject

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Title page, second edition,  Basel , Officina Henricpetrina , 1566

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Revolutionibus is his significant work Required many years of work Incorporates over a thousand years of perceptions 330 folio pages 100 pages of tables Over 2000 organized numbers

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De Revolutionibus is committed to  Pope Paul III Argues that arithmetic, not material science, ought to be the reason for understanding and tolerating his new hypothesis. De revolutionibus  is partitioned into 6 books

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Book I: General vision of heliocentric hypothesis Book II: Principles of round space science and a star list Book III: Apparent developments of the sun Book IV: Moon  and its orbital developments. Book V and VI: How to compute the positions of  cosmic articles

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De Revolutionibus was a genuine hit to Aristotelian theory and Church educating

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Forward suggested that the entire work may be just a striking hypothesis. At the season of distribution numerous expected that Copernicus had composed the foreword. Copernicus' companions, were angry when they saw the introduction to the principal release, since it lessened the memorable leap forward that  De revolutionibus  was. Indeed, it was Lutheran philosopher  Andreas Osiander  who composed and embedded the scandalous foreword.

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Frombork  Cathedral, where Copernicus was covered

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Ptolemy versus Copernicus Just add Pi to starting points


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