KnowraEquantLinked fromLinked fromThe 14 pages that link to Equant, each with the reason it gives.All 14Broader topic 6Related 3Compared with 5Nicolaus CopernicusRelated: Copernicus objected to this device as inconsistent with uniform circular motion.Deferent and epicycleRelated: Ptolemy added this device to improve planetary predictions beyond the deferent and epicycle alone.Tychonic systemRelated: Brahe's system retained some mathematical devices inherited from earlier geocentric astronomy.