KnowraSubgiantLinked fromLinked fromThe 5 pages that link to Subgiant, each with the reason it gives.All 5Compared with 5Main sequenceCompared with: Subgiants are evolving away from the main sequence rather than sustaining core hydrogen fusion.Red giantCompared with: The subgiant phase precedes the large radius and high luminosity of a red giant.Giant starCompared with: Subgiants are an earlier, less expanded stage on the way to giant status.SupergiantCompared with: It marks an earlier, less expanded stage than the supergiant phase.SubdwarfCompared with: Subgiants are generally more luminous than main-sequence stars of similar temperature.