KnowraDeferent and epicycleLinked fromLinked fromThe 13 pages that link to Deferent and epicycle, each with the reason it gives.All 13Broader topic 8Related 5Copernican heliocentrismRelated: Copernicus retained epicycles to represent planetary paths with combinations of uniform circular motions.EquantRelated: The equant modifies the deferent’s motion in this standard model of planetary paths.Copernican RevolutionRelated: Copernicus retained circular devices to reproduce observed planetary paths.De revolutionibus orbium coelestiumRelated: Copernicus retained circular combinations to reproduce observed planetary paths.Nasir al-Din al-TusiRelated: Al-Tusi revised circle-based planetary models rather than abandoning their basic geometry.