Linked from
The 18 pages that link to Barred spiral galaxy, each with the reason it gives.
Galactic bulgeRelated: Bars funnel gas inward and can build central concentrations over time.
Galactic diskBroader topic: A bar is a specific disk structure that can redistribute stars and gas.
Spiral armRelated: A bar can organize or drive spiral structure, but it is distinct from an arm.
Galactic barNarrower topic: This galaxy class is defined by the presence of a galactic bar.
Messier 83Narrower topic: Messier 83’s central bar defines its broad morphological type.
Messier 77Narrower topic: Messier 77’s stellar bar and spiral arms define its large-scale form.
Starburst regionRelated: Bars can transport gas inward, supplying central star-forming regions.