pulsar

noun

Definition of pulsarnext
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 pulsar In 2023 a collaboration of radio astronomers reported tiny deviations in the timing of these flashes from dozens of pulsars in the Milky Way. — Joseph Howlett, Scientific American, 18 June 2026 The source is a pulsar wind nebula (PWN) powered by the pulsar PSR J1849-0001, located in the constellation Aquila. — Rupendra Brahambhatt, Interesting Engineering, 26 Apr. 2026 That is because, whereas previous research has suggested just a few hundred pulsars could be enough to account for the Galactic Center Excess, these findings indicate that the pulsar population at the heart of the Milky Way would have to be greater than 35,000. — Robert Lea, Space.com, 21 June 2026 See All Example Sentences for pulsar
Recent Examples of Synonyms for pulsar
  1. supernova
  2. quasar
  3. supergiant
  4. variable
  5. neutron star
  6. white dwarf
Noun
  • The imagery shows the supernova remnant Cassiopeia A, the dusty nebula NGC 3603, the spiral galaxy Messier 94 and the galaxy cluster ZwCl 0024+1652.
    — Stephanie Pappas, Scientific American, 4 July 2026
  • The visit then took us into the future with the star going supernova, putting on a show that no one on Earth has seen for centuries.
    — Rob Pegoraro, ArsTechnica, 3 July 2026
Definition of supernova
Noun
  • As such, quasars are some of the brightest objects in the universe.
    — Keith Cooper, Space.com, 12 June 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
Definition of quasar
Noun
  • May's full Blue Moon put on a dazzling display over the weekend, flooding the night sky with moonlight as the red supergiant star Antares glowed nearby.
    — Anthony Wood, Space.com, 1 June 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
  • For corporate and investor decision-makers the variable that now dominates AI infrastructure economics is not model performance or chip cost curves.
    — Güney Yıldız, Forbes.com, 30 June 2026
  • But consumer demand is the big variable impacting companies’ gross margin, Sole noted.
    — Vicki M. Young, Footwear News, 29 June 2026
Definition of variable
Noun
  • When this phenomenon happens, all the matter in the neutron star fuses into one big atom, with a density of about a million billion g/cc.
    — Stephen DiKerby, The Conversation, 29 June 2026
  • Hopefully, this will help determine whether they’re sparked by an eruption from a single neutron star, or when two of these tiny but massive bodies collide.
    — Joseph Howlett, Scientific American, 18 June 2026
Definition of neutron star
Noun
  • What immediately stood out about WD 1856 b was how close its orbit is to its white dwarf host.
    — Robert Lea, Space.com, 2 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

Browse Nearby Words

pulpy
pulsar
pulsars
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Cite this Entry

“Pulsar.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pulsar. Accessed 7 Jul. 2026.

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More from Merriam-Webster on pulsar

Britannica.com: Encyclopedia article about pulsar

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