quasar

noun

Definition of quasarnext
as in supernova

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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 quasar The supermassive black hole in question is powering a type of quasar called a blazar. — Robert Lea, Space.com, 19 Aug. 2026 The team spotted the distant quasar, an actively feeding supermassive black hole, using observations from the Subaru Telescope. — Georgina Jedikovska, Interesting Engineering, 23 Jan. 2026 See All Example Sentences for quasar
Recent Examples of Synonyms for quasar
  1. supernova
  2. pulsar
  3. nova
  4. variable
  5. supergiant
  6. neutron star
  7. supercluster
Noun
  • Like all neutron stars, the pulsar component of NGC 362D was born when a star with between eight and 12 times the mass of the sun died in a massive supernova explosion.
    — Robert Lea, Space.com, 2 Oct. 2026
  • If Chicago had not gone full supernova on Sunday, Baltimore’s offense would be the biggest fantasy story.
    — Andy Behrens, New York Times, 14 Sep. 2026
Definition of supernova
Noun
  • That means the measurements provided by pulsar timing arrays could help determine how abundant heavy black hole seeds were in the early universe.
    — Robert Lea, Space.com, 21 Aug. 2026
  • The pulsar ties back to early research on the phenomenon, which had scientists wondering if their signals were signs of alien life.
    — Jared Weiss, New York Times, 31 July 2026
Definition of pulsar
Noun
  • Even though novas are exceptionally bright, supernovas are brighter—reaching billions of times brighter than the sun at their peak.
    — Elizabeth Gamillo, Smithsonian Magazine, 3 July 2025
Definition of nova
Noun
  • Climate Central scientist Zachary Labe notes that forecasting the weather is complex and variable, which makes such predictions tricky.
    — Jackie Flynn Mogensen, Scientific American, 2 Oct. 2026
  • If a price may change because of materials, scope or another variable, say so early.
    — Levi King, Forbes.com, 1 Oct. 2026
Definition of variable
Noun
  • The observations show the red supergiant has an atmosphere with a temperature of around 3,680 degrees Fahrenheit (2,030 degrees Celsius), but possesses at least two regions even hotter than this.
    — Robert Lea, Space.com, 25 Aug. 2026
  • Located 7,200 light-years away, Cygnus X-1 features not only a black hole — the first one ever identified more than a half-century ago — but a blue supergiant star, its constant companion.
    — Marcia Dunn, Los Angeles Times, 20 Apr. 2026
Definition of supergiant
Noun
  • The same happens with a newborn neutron star but on a much grander scale; some pulsars have been measured to spin in excess of 700 times per second.
    — Robert Lea, Space.com, 2 Oct. 2026
  • Answering that question would allow astrophysicists to address other mysteries, such as the precise threshold where a neutron star will collapse to form a black hole.
    — Clara Moskowitz, Scientific American, 28 Sep. 2026
Definition of neutron star
Noun
  • An enormous supercluster made up from over 20 individual galaxy clusters hiding behind our dusty Milky Way is even larger than astronomers had thought, affecting the motion through space of all the galaxies and galaxy clusters in our corner of the cosmos.
    — Keith Cooper, Space.com, 4 May 2026
  • Venice features a radical redesign with up to 512 threads per package, specifically optimized for the orchestration layers of AI superclusters.
    — Trefis Team, Forbes.com, 22 Apr. 2026
Definition of supercluster

Browse Nearby Words

quartos
quasar
quasars
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Cite this Entry

“Quasar.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quasar. Accessed 4 Oct. 2026.

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More from Merriam-Webster on quasar

Britannica.com: Encyclopedia article about quasar

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