KnowraHydrogen spectral seriesLinked fromLinked fromThe 12 pages that link to Hydrogen spectral series, each with the reason it gives.All 12Broader topic 6Related 4Narrower topic 2Old quantum theoryRelated: The observed lines gave early quantum models a precise target for explanation.ProtiumRelated: Protium’s electronic transitions generate the familiar hydrogen spectral lines.Type II supernovaRelated: Hydrogen lines in the supernova spectrum provide the defining observational clue.Type Ib and Ic supernovaeRelated: The absence of hydrogen lines is the defining spectral feature shared by Types Ib and Ic.