Deferent and epicycle (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Deferent and epicycle" in English language version.

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arizona.edu

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arxiv.org

books.google.com

  • "The popular belief that Copernicus's heliocentric system constitutes a significant simplification of the Ptolemaic system is obviously wrong ... [T]he Copernican models themselves require about twice as many circles as the Ptolemaic models and are far less elegant and adaptable." Neugebauer, Otto (1969) [1957]. The Exact Sciences in Antiquity (2 ed.). Dover Publications. ISBN 978-0-486-22332-2., p. 204. This is an extreme estimate in favor of Ptolemy.
  • Duhem, Pierre (1969). To save the phenomena, an essay on the idea of physical theory from Plato to Galileo. Chicago: University of Chicago Press. OCLC 681213472. (excerpt).

classicalliberalarts.com

doi.org

etymonline.com

  • Harper, Douglas. "epicycle". Online Etymology Dictionary.

files.wordpress.com

santi75.files.wordpress.com

harvard.edu

articles.adsabs.harvard.edu

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newadvent.org

semanticscholar.org

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springer.com

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worldcat.org

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