Unbarred spiral galaxy

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Notion

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Science and technology

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What Wikipedia says

An unbarred spiral galaxy is a type of spiral galaxy without a central bar, or one that is not a barred spiral galaxy. It is designated with an SA in the galaxy morphological classification scheme. A nearby example of an unbarred spiral is the Triangulum Galaxy.

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

Image: The Hubble Heritage Team (AURA/STScI/NASA) NASA Headquarters - Greatest Images of NASA (NASA-HQ-GRIN), Public domain, via Wikimedia Commons.