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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In fact, observations of these masers have proved that our Milky Way is a magnificent example of a spiral galaxy.
—
Phil Plait, Scientific American, 20 Feb. 2025
This month the view improves as the dynamic and photogenic galactic center of our spiral galaxy, known as the Milky Way core, reappears in the southeast at night.
—Stephanie Vermillion, Outside Online, 13 Feb. 2025
Roughly 100 years ago, our neighboring spiral galaxy was discovered by American astronomer Edwin Hubble.
—Margherita Bassi, Smithsonian Magazine, 22 Jan. 2025
This image from the James Webb Space Telescope shows spiral galaxy NGC 628 in a new light.
—Alan Taylor, The Atlantic, 16 Dec. 2024
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Phil Plait, Scientific American, 20 Feb. 2025
This month the view improves as the dynamic and photogenic galactic center of our spiral galaxy, known as the Milky Way core, reappears in the southeast at night.
—Stephanie Vermillion, Outside Online, 13 Feb. 2025
Roughly 100 years ago, our neighboring spiral galaxy was discovered by American astronomer Edwin Hubble.
—Margherita Bassi, Smithsonian Magazine, 22 Jan. 2025
This image from the James Webb Space Telescope shows spiral galaxy NGC 628 in a new light.
—Alan Taylor, The Atlantic, 16 Dec. 2024
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 3 Mar. 2025.
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