KnowraSpectral lineLinked fromLinked fromThe 55 pages that link to Spectral line, each with the reason it gives.All 55Broader topic 15Related 28Narrower topic 12Radio astronomyNarrower topic: Radio lines identify atoms and molecules and reveal their physical conditions.Cecilia Payne-GaposchkinNarrower topic: The strengths of these features were her evidence for stellar composition.Wolf–Rayet starNarrower topic: The stars’ unusually broad emission lines encode the motion and composition of their outflows.Rydberg formulaNarrower topic: Each allowed transition in the formula corresponds to a spectral line.Doppler broadeningNarrower topic: Doppler broadening changes the width and shape of this spectral feature.Spectral line broadeningNarrower topic: Broadening describes how this spectral feature departs from an ideal sharp line.Rydberg constantNarrower topic: Regular line positions provided the empirical data from which the constant was identified.Anders Jonas ÅngströmNarrower topic: His detailed line measurements became reference data for later spectroscopy.Joseph von FraunhoferNarrower topic: Fraunhofer’s catalog made individual spectral features recognizable and comparable.Johannes RydbergNarrower topic: Rydberg’s formulas organize the positions of these discrete features.Norman LockyerNarrower topic: The unfamiliar solar line was the evidence on which Lockyer based his claim.Pieter ZeemanNarrower topic: Zeeman detected magnetic-field-induced changes in these features.