KnowraMessier 51Linked fromLinked fromThe 5 pages that link to Messier 51, each with the reason it gives.All 5Broader topic 1Related 2Compared with 2Whirlpool GalaxyRelated: This familiar name identifies the galaxy in observing guides and astronomical catalogs.Canes VenaticiBroader topic: This widely observed galaxy is a principal telescopic target in Canes Venatici.Messier 82Compared with: Its prominent spiral structure contrasts with M82’s elongated, dusty starburst disk.Pinwheel GalaxyCompared with: Its strongly defined spiral arms offer a useful comparison with Messier 101’s asymmetric pattern.Messier 106Related: Its nearby spiral structure provides a visual comparison with Messier 106’s more disturbed inner arms.