spiral galaxy
noun
: a galaxy exhibiting a central nucleus or barred structure from which extend curved arms of higher luminosity
called also spiral nebula
Examples of spiral galaxy in a Sentence
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Astronomers have discovered the most distant and thus earliest spiral galaxy ever seen, using the James Webb Space Telescope (JWST).
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Robert Lea, Space.com, 16 Apr. 2025
Discovery of an ultra-massive grand-design spiral galaxy at z ∼ 5.2.
—Thomas G. Moukawsher, MSNBC Newsweek, 16 Apr. 2025
In spiral galaxies, for example, less gas tends to fall into the center, and the central black hole tends to have less energy.
—David Garofalo, The Conversation, 31 Mar. 2025
In fact, previously, such extreme jets had only ever been observed in spiral galaxies.
—Kevin Sabet, Newsweek, 24 Mar. 2025
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Robert Lea, Space.com, 16 Apr. 2025
Discovery of an ultra-massive grand-design spiral galaxy at z ∼ 5.2.
—Thomas G. Moukawsher, MSNBC Newsweek, 16 Apr. 2025
In spiral galaxies, for example, less gas tends to fall into the center, and the central black hole tends to have less energy.
—David Garofalo, The Conversation, 31 Mar. 2025
In fact, previously, such extreme jets had only ever been observed in spiral galaxies.
—Kevin Sabet, Newsweek, 24 Mar. 2025
See All Example Sentences for spiral galaxy
Cite this Entry
“Spiral galaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spiral%20galaxy. Accessed 22 Apr. 2025.
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