KnowraCartwheel GalaxyLinked fromLinked fromThe 5 pages that link to Cartwheel Galaxy, each with the reason it gives.All 5Broader topic 4Related 1Galaxy mergerBroader topic: It shows how a collision can produce a distinctive structure without an immediate full merger.Galaxy interactionBroader topic: Its expanding ring illustrates the effects of a near-central collision.Ring galaxyBroader topic: Its structure is a widely studied example of a ring launched by a nearly central collision.Peculiar galaxyBroader topic: Its expanding ring and spokes give it an unusually distinctive structure.