KnowraHorizontal branchLinked fromLinked fromThe 14 pages that link to Horizontal branch, each with the reason it gives.All 14Broader topic 2Related 6Narrower topic 1Compared with 5Helium burningRelated: It is the stable phase that follows helium ignition in many low-mass stars.Omega CentauriRelated: Its stars form a prominent feature in Omega Centauri’s observed stellar populations.Instability stripRelated: Many RR Lyrae variables cross the strip while occupying the horizontal branch.Type II CepheidRelated: Some Type II Cepheids evolve from old, low-mass stars associated with this stage.Messier 13Related: Its stars help astronomers infer the cluster's age and chemical history.Messier 15Related: Its stars populate a prominent horizontal branch in Messier 15's color–magnitude diagram.