KnowraHubble sequenceLinked fromLinked fromThe 20 pages that link to Hubble sequence, each with the reason it gives.All 20Related 15Narrower topic 3Compared with 2Spiral galaxyNarrower topic: It places spiral galaxies within a broader system for comparing galaxy morphologies.Grand-design spiral galaxyNarrower topic: It places spiral structure within the broader visual classification of galaxies.Flocculent spiral galaxyNarrower topic: It places flocculent structure among the observable forms used to classify spiral galaxies.