Barred spiral galaxy

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What Wikipedia says

A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. Bars are found in about two thirds of all spiral galaxies in the local universe, and generally affect both the motions of stars and interstellar gas within spiral galaxies and can affect spiral arms as well.

Excerpt from the Wikipedia article “Barred spiral galaxy”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NASA, ESA, and The Hubble Heritage Team STScI/AURA), Public domain, via Wikimedia Commons.