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
Recent Examples on the Web
Celestial cannonball galaxy Hubble Space Telescope captured this image of spiral galaxy IC 3225, which appears to be streaking though space like a cannonball, stretching its arms of stars out behind it in its wake.
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Marco Rubio, Newsweek, 2 Nov. 2024
For example, the delicate structure of a spiral galaxy in the cluster Abell 3381, located 470 million light-years away, can be seen in the mosaic as well as light blue clouds between the stars in our Milky Way galaxy.
—Ashley Strickland, CNN, 23 Oct. 2024
While studying the motion of spiral galaxies, Rubin discovered that the speed at which stars rotated around the center of their galaxies made sense only if these galaxies contained an additional mass weighing about 10 times more than the visible stars.
—Naomi Oreskes, Scientific American, 15 Oct. 2024
The first is a spiral galaxy; the second is an elliptical galaxy.
—Joel Achenbach, Washington Post, 12 July 2024
See all Example Sentences for spiral galaxy 
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Marco Rubio, Newsweek, 2 Nov. 2024
For example, the delicate structure of a spiral galaxy in the cluster Abell 3381, located 470 million light-years away, can be seen in the mosaic as well as light blue clouds between the stars in our Milky Way galaxy.
—Ashley Strickland, CNN, 23 Oct. 2024
While studying the motion of spiral galaxies, Rubin discovered that the speed at which stars rotated around the center of their galaxies made sense only if these galaxies contained an additional mass weighing about 10 times more than the visible stars.
—Naomi Oreskes, Scientific American, 15 Oct. 2024
The first is a spiral galaxy; the second is an elliptical galaxy.
—Joel Achenbach, Washington Post, 12 July 2024
See all Example Sentences for spiral galaxy
Dictionary Entries Near spiral galaxy
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“Spiral galaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spiral%20galaxy. Accessed 17 Nov. 2024.
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