binary star

noun

Definition of binary starnext
as in neutron star

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of binary star Granted, this series has moving parts beyond its binary stars. — Steven Louis Goldstein, New York Times, 18 Apr. 2026 Situated some 3,000 light-years away in the constellation Corona Borealis is a binary star system poised for a rare thermonuclear display. — Michael D'estries, Travel + Leisure, 15 Feb. 2026 Using artificial neutral networks, his tool allows astronomers to distinguish true binary star systems from chance alignments in massive data sets like the European Space Agency’s Gaia mission. — Regina Elling, San Diego Union-Tribune, 23 Sep. 2025 The double stars of Albireo are considered a binary star system, just over 400 light-years away, with just one light-year equaling nearly 6 trillion miles. — Mike Lynch, Twin Cities, 14 Sep. 2025 See All Example Sentences for binary star
Recent Examples of Synonyms for binary star
  1. neutron star
  2. red star
  3. variable star
  4. white dwarf
  5. variable
  6. giant star
Noun
  • The neutrinos themselves could reveal what the explosion leaves behind — potentially a neutron star or a black hole.
    — Rupendra Brahambhatt, Interesting Engineering, 9 Aug. 2026
  • Previous studies had suggested that the dark object was a neutron star.
    — Keith Cooper, Space.com, 14 July 2026
Definition of neutron star
Noun
  • Betelgeuse has a companion star In 2019, astronomers noticed a strange dimming in the light from Betelgeuse, a bright red star in the Orion constellation.
    — ArsTechnica, ArsTechnica, 3 Aug. 2026
  • After a welcome presentation and cocktail party—Kir Royales in hand—slip into Moments, the onboard restaurant by German Michelin‑starred chef David Görne, whose cooking has held a red star since 2016 and a Green Star for sustainability since 2020.
    — Lewis Nunn, Forbes.com, 21 July 2026
Definition of red star
Noun
  • This variable star is also located 250 light-years from Earth, but is sadly lost from view in the glare of the sun during the summer months.
    — Anthony Wood, Space.com, 29 June 2026
  • Mroz counters, however, that none of those cases are actual microlensing events and instead the mere fluctuations of ordinary variable stars.
    — Jonathan O'Callaghan, Scientific American, 4 June 2026
Definition of variable star
Noun
  • Mills found that the white dwarf in V445 Puppis has overcome its stellar indigestion and is once again feeding on its companion helium star.
    — Robert Lea, Space.com, 24 July 2026
  • The planet either warmed up while engulfed during the red giant phase, or began heating as gravity pulled it closer to the resultant white dwarf.
    — Andrew Paul, Popular Science, 1 July 2026
Definition of white dwarf
Noun
  • Insurance has evolved from a routine operating expense into a consequential variable in real estate underwriting.
    — Malana VanTyker, Miami Herald, 7 Aug. 2026
  • Shipyard capacity troubles Money isn’t the only variable in the battleship plan.
    — Brad Lendon, CNN Money, 6 Aug. 2026
Definition of variable
Noun
  • These small stars also burn cooler and slower than our Sun (let alone a giant star), which means that intelligent, technology-using life has more time to potentially evolve and start sending out radio messages.
    — Kiona N. Smith, Forbes.com, 20 Mar. 2026
  • However, in the nearby Andromeda galaxy, a giant star seems to have taken a very different path.
    — Rupendra Brahambhatt, Interesting Engineering, 15 Feb. 2026
Definition of giant star

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binary
binary star
binary stars
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Cite this Entry

“Binary star.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/binary%20star. Accessed 10 Aug. 2026.

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More from Merriam-Webster on binary star

Britannica.com: Encyclopedia article about binary star

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