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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Beyond this, the European Space Agency's XMM-Newton X-Ray observatory also studied this spiral galaxy repeatedly and found mysterious regions known as ultraluminous X-ray sources (ULXs).
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Kenna Hughes-Castleberry, Space.com, 11 Sep. 2025
But the Outriggers quickly traced the signal to NGC4141, a spiral galaxy in Ursa Major.
—Neetika Walter, Interesting Engineering, 22 Aug. 2025
The fuzzy blob at the top resolves into a distant spiral galaxy unrelated to the object itself.
—Gayoung Lee, Scientific American, 12 Aug. 2025
What looks like a giant glowing penguin or a jumping porpoise was actually once a normal spiral galaxy, named NGC 2936, that got too close to its neighbor.
—Katie Liu, Discover Magazine, 31 July 2025
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Kenna Hughes-Castleberry, Space.com, 11 Sep. 2025
But the Outriggers quickly traced the signal to NGC4141, a spiral galaxy in Ursa Major.
—Neetika Walter, Interesting Engineering, 22 Aug. 2025
The fuzzy blob at the top resolves into a distant spiral galaxy unrelated to the object itself.
—Gayoung Lee, Scientific American, 12 Aug. 2025
What looks like a giant glowing penguin or a jumping porpoise was actually once a normal spiral galaxy, named NGC 2936, that got too close to its neighbor.
—Katie Liu, Discover Magazine, 31 July 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 16 Sep. 2025.
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