How to Use globular cluster in a Sentence

globular cluster

noun
  • From left to right, zooming in from the globular cluster to the site of its black hole.
    — John Timmer, Ars Technica, 10 July 2024
  • That source turned out to be a globular cluster of stars in the nearby galaxy M81.
    — John Timmer, Ars Technica, 24 Feb. 2022
  • If the mergers involved globular clusters, any black holes were probably star-sized.
    — Aaron Shattuck, Scientific American, 14 May 2024
  • It might also be seen in dense globular clusters populated by thousands of black holes.
    — Steve Nadis, Discover Magazine, 20 Apr. 2023
  • As these low-mass initial overdensities grow, the first episodes of star-formation lead to a few globular clusters.
    — Big Think, 3 Mar. 2026
  • Stars more massive than the Sun tend to die after a few billion years, which is younger than the age of the typical globular cluster.
    — Phil Plait, Discover Magazine, 22 Nov. 2011
  • This is the second-closest globular cluster to Earth, about 7,800 light-years away.
    — WIRED, 7 Nov. 2023
  • The normal matter within those globular clusters gets blown away, ejected from the dark matter halo that surrounds them.
    — Big Think, 3 Mar. 2026
  • Yet, a select few globular clusters show evidence of having more than one generation of stars.
    — Keith Cooper, Space.com, 22 June 2026
  • After ejection, this shell would be similar in size to either a large globular cluster or an extremely small dwarf galaxy.
    — John Timmer, Ars Technica, 9 Apr. 2023
  • Like light, radio waves coming from planets, stars, and globular clusters with changing magnetic fields travel through space.
    — Laura Baisas, Popular Science, 18 Jan. 2024
  • Open star clusters are loose and irregular groups of stars that are often younger and contain fewer stars when compared to denser globular clusters.
    — Harry Bennett, Space.com, 11 Sep. 2025
  • While about a quarter of halo globular clusters show tidal tails, such features are seldom detected in bulge clusters due to extreme crowding and dust.
    — Rupendra Brahambhatt, Interesting Engineering, 4 Jan. 2026
  • But spring and fall are prime times for globular clusters (dense collections of ancient stars), especially on nights when bright moonlight might drown out the planets.
    — Erin E. Williams, Twin Cities, 24 Sep. 2019
  • Thinking global The new work focuses on what are called globular clusters, which are large groups of stars held together by gravity.
    — John Timmer, Ars Technica, 6 Oct. 2019
  • The researchers propose that these binaries likely form in crowded regions like globular clusters, where many stars and black holes interact.
    — Rupendra Brahambhatt, Interesting Engineering, 12 Apr. 2026
  • Those observations have been hinting that there might be a central black hole within the globular cluster, but the evidence has not been decisive.
    — John Timmer, Ars Technica, 10 July 2024
  • The point sources proved to be 10 globular clusters—compact and spherical groupings of stars, orbiting the galaxy’s core.
    — Rebecca Boyle, Scientific American, 28 Mar. 2018
  • The sources of gas created a second generation of stars, increasing both the density and size of the globular cluster.
    — Julia Musto, Fox News, 28 Dec. 2022
  • More than 140 globular clusters form a giant halo around our Milky Way Galaxy.
    — Mike Lynch, Twin Cities, 8 Sep. 2019
  • More distant open clusters — and all of the 150+ globular clusters in the Milky Way — will require at least a small telescope.
    — Jamie Carter, Space.com, 28 Apr. 2026
  • The goal of this survey is to understand how globular clusters slowly break apart under the strong gravitational forces near the center of the galaxy.
    — Rupendra Brahambhatt, Interesting Engineering, 4 Jan. 2026
  • Previous studies had suggested that a globular cluster might be the first place where intelligent life is identified in the galaxy.
    — Nola Taylor Redd, Space.com, 15 Aug. 2018
  • Using information from the Keck telescopes, the team found the globular clusters were moving much slower than expected.
    — Rebecca Boyle, Scientific American, 28 Mar. 2018
  • Further observations revealed a glow or halo around the globular clusters, suggesting the presence of a galaxy.
    — Jacopo Prisco, CNN Money, 3 Mar. 2026
  • Around practically all galaxies are collections of mostly ancient stars known as globular clusters.
    — Big Think, 3 Mar. 2026
  • Only a portion of the globular cluster appears in the image, with the cluster stretching about 100 light-years in diameter.
    — Julia Musto, Fox News, 21 Mar. 2023
  • Inside a globular cluster, a 50-solar-mass black hole could merge with a 30-solar-mass one, for instance, and then the resulting giant could merge again.
    — Quanta Magazine, 28 Aug. 2019
  • Why this globular cluster discovery matters These findings help solve a long-standing puzzle in astronomy.
    — Rupendra Brahambhatt, Interesting Engineering, 4 Jan. 2026
  • At the lower end of the scale, some very small galaxies could be mistaken for globular clusters—agglomerations of up to a few million stars that form alongside galaxies.
    — Phil Plait, Scientific American, 29 May 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'globular cluster.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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