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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Visible in one image are two prominent spiral galaxies and countless distant stars.
—
Eric Lagatta, USA Today, 25 June 2025
In the image release, one of the photographs shared with the public was this picture of the Virgo cluster, revealing two bright spiral galaxies and three merging galaxies, along with many stars.
—Kenna Hughes-Castleberry, Space.com, 24 June 2025
Compiled from over 1,100 images, Rubin gives us a better look at beautiful spiral galaxies and other stars.
—Monica Cull, Discover Magazine, 23 June 2025
In a spiral galaxy like our Milky Way, the galactic core contains more stars and hence gravity than the outer arms do.
—Rebecca Boyle, Scientific American, 12 June 2025
See All Example Sentences for spiral galaxy
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Eric Lagatta, USA Today, 25 June 2025
In the image release, one of the photographs shared with the public was this picture of the Virgo cluster, revealing two bright spiral galaxies and three merging galaxies, along with many stars.
—Kenna Hughes-Castleberry, Space.com, 24 June 2025
Compiled from over 1,100 images, Rubin gives us a better look at beautiful spiral galaxies and other stars.
—Monica Cull, Discover Magazine, 23 June 2025
In a spiral galaxy like our Milky Way, the galactic core contains more stars and hence gravity than the outer arms do.
—Rebecca Boyle, Scientific American, 12 June 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 2 Jul. 2025.
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