Edward Gresham, Copernican Cosmology, and Planetary Occultations in Pre-Telescopic Astronomy

  title={Edward Gresham, Copernican Cosmology, and Planetary Occultations in Pre-Telescopic Astronomy},
  author={Jarosław Włodarczyk and Richard L. Kremer and H. C. Hughes},
  journal={Journal for the History of Astronomy},
  pages={269 - 305}
This article introduces an understudied source in the history of astronomy, the Astrostereon or the Discourse of the Falling of the Planet (1603). Written by the English astrologer Edward Gresham, this text presents, among other things, the earliest known set of predicted planetary occultations (for 1603–1604) and the use of these phenomena to defend the Copernican cosmology. We analyse those predictions and then briefly survey all known pre-telescopic observations of reported planetary… 
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