cAlīqushjī and Regiomontanus: Eccentric Transformations and Copernican Revolutions

  title={cAlīqushjī and Regiomontanus: Eccentric Transformations and Copernican Revolutions},
  author={F. J. Ragep},
  journal={Journal for the History of Astronomy},
  pages={359 - 371}
  • F. J. Ragep
  • Published 2005
  • Physics
  • Journal for the History of Astronomy
  • In 1973, Noel Swerdlow presented a new and significant reconstruction ofhow Copernicus arrived at the heliocentric theory. I This reconstruction was based upon several bits of newly-interpreted information, most importantly a set of notes in Copernicus's hand contained in an Uppsala University manuscript. These notes provided compelling evidence that Copernicus had transformed Ptolemy's epicyclic models of the planets into eccentric models as a first step in developing a Sun-centred astronomy.2… CONTINUE READING
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    (ref. 16), I present evidence indicating a possible connection between Copernicus and his Islamic predecessors (including Qushjl) regarding the question of the Earth's rotation
      A letter of Jamshid al-Kashi to his father: Scientific research and personalities at a fifteenth century court
      • Studies in the Islamic exact sciences
      • 1960
      Arabic planetary theories after the eleventh century AD
      • Encyclopedia ofthe history ofArabic science
      • 1996
      But the role of Bessarion in transmitting materials to Peurbach and Regiomontanus cannot be discounted
      • A possible transmission through Italy has been advanced (Swerdlow and Neugebauer, op. cit. (ref. I)
      For an account of Qushji's life, see 1. Fazhoglu
      • Yasamlan ve yapitlartyla Osmanltlar ansiklopedisi
      Freeing astronomy from philosophy: An aspect ofIslamic influence on science
      • Osiris, xvi
      • 2001