VÉNUS SELON IBN AL-ŠĀṬIR

@article{Penchvre2016VNUSSI,
  title={V{\'E}NUS SELON IBN AL-{\vS}ĀṬIR},
  author={Erwan Pench{\`e}vre},
  journal={Arabic Sciences and Philosophy},
  year={2016},
  volume={26},
  pages={185 - 214}
}
  • Erwan Penchèvre
  • Published 2016
  • Philosophy, Mathematics
  • Arabic Sciences and Philosophy
Abstract We attempt to grasp the mathematics behind the planetary theories of the Syrian astronomer Ibn al-Šāṭir (1304–1375) in his treatise Nihāyat al-Sūl. Following the astronomers of the Marāgha school, by composing circular movements with constant angular velocity, Ibn al-Šāṭir attains two goals. He eliminates the need of excentrics and equant points in astronomy; but he also describes longitudes and latitudes with a unique method, with no more orbs than what is strictly necessary for the… Expand
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