globular cluster

noun

: any of various approximately spherical clusters of gravitationally associated stars that typically populate galactic halos

called also globular

Examples of globular cluster in a Sentence

Recent Examples on the Web
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The Milky Way hosts roughly 150 globular clusters and over 1,000 open star clusters, some of which are bright enough to appear as a milky smudge of light to the naked eye from a dark sky location. Anthony Wood, Space.com, 17 Aug. 2025 With the bright moon out of the sky as the week ends, grab a pair of binoculars or a small telescope and look for M13, the brightest globular cluster visible from the Northern Hemisphere. Jamie Carter, Forbes.com, 9 June 2025 This dwarf galaxy merged with the Milky Way around 10 billion years ago, added at least eight globular clusters and some 50 billion solar masses' worth of stars, gas and dark matter. Ron Estes, MSNBC Newsweek, 31 Mar. 2025 Described in February 2022, the fast radio burst was found within a cluster of stars, called a globular cluster, on the outskirts of galaxy Messier 81, located 12 million light-years from Earth. Ashley Strickland, CNN, 24 Jan. 2025 See All Example Sentences for globular cluster

Word History

First Known Use

1785, in the meaning defined above

Time Traveler
The first known use of globular cluster was in 1785

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Cite this Entry

“Globular cluster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/globular%20cluster. Accessed 6 Sep. 2025.

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