KnowraPinwheel GalaxyLinked fromLinked fromThe 7 pages that link to Pinwheel Galaxy, each with the reason it gives.All 7Broader topic 3Compared with 4Whirlpool GalaxyCompared with: Unlike the Whirlpool, its prominent spiral pattern is not centered on a close interacting companion.Messier 51Compared with: Like Messier 51, it is a prominent nearby spiral, but lacks the same conspicuous companion-driven interaction.Messier 81Compared with: Its similarly clear spiral pattern offers a nearby comparison with M81’s structure.NGC 6946Compared with: Its open spiral arms offer a comparison with NGC 6946’s more tightly structured disk.