KnowraLunar theoryLinked fromLinked fromThe 7 pages that link to Lunar theory, each with the reason it gives.All 7Related 5Narrower topic 2HipparchusRelated: His lunar models helped account for observed positions and eclipse timing.Hill sphereRelated: Hill's influential work on lunar motion helped develop the methods behind the concept.Synodic monthRelated: Precise synodic-month variation was the testing ground for perturbation theory.Sidereal monthRelated: Precise sidereal-month values come from solving how solar and planetary perturbations alter the mean motion.Tusi coupleRelated: Al-Tusi's use of the couple helped model lunar motions while preserving circular components.