How to Use pulsar in a Sentence

pulsar

noun
  • What is a neutron star, or pulsar?
    — Adam Harrington, CBS News, 23 Dec. 2025
  • As the pulsar spins, these beams sweep across the cosmos like the beams of light from a lighthouse.
    — Robert Lea, Space.com, 21 Feb. 2026
  • Quasars and pulsars were deeply puzzling when first discovered.
    — Seth Shostak, NBC News, 3 Sep. 2019
  • Scientists behind the study say there were surprised by how few pulsars were found.
    — Robert Lea, Space.com, 21 Feb. 2026
  • If one or both beams happen to pass over Earth, astronomers observe a pulsar.
    — Alison Klesman, Discover Magazine, 13 Dec. 2019
  • The team used pulsars, rapidly spinning dead stars that emit a beam of radio emissions.
    — Chris Impey, The Conversation, 30 June 2023
  • More than a decade of watching several dozen pulsars has yet to turn up a firm detection.
    — Bydaniel Clery, science.org, 31 Mar. 2023
  • Some could come from bright pulsars, whose beams are powered by their rotation rather than magnetic fields.
    — WIRED, 25 Oct. 2023
  • To do this, the teams used pulsars, rapidly spinning stellar corpses that serve as perfect cosmic clocks.
    — Quanta Magazine, 21 Dec. 2023
  • Of course, the pulsar and white dwarf are very massive objects themselves, with strong self gravity.
    — James Geach, Scientific American, 5 July 2018
  • Others were found by searching for variations in the predictable rhythms of pulsars.
    — Amina Khan, latimes.com, 13 Apr. 2018
  • This cloud of blue gas is known as a pulsar wind nebula, formed when the rapid rotations of a pulsing dead star clear gas away.
    — Carlyn Kranking, Smithsonian Magazine, 23 July 2024
  • In these cases, neutron stars and magnetars are referred to as pulsars.
    — Robert Lea, Space.com, 12 Mar. 2026
  • Its whirling magnetic fields sweep up matter and blast it outward in two beams, creating a pulsar.
    — Phil Plait, Scientific American, 10 Nov. 2023
  • These pulsar systems let astronomers probe gravity on a new scale and with new precision.
    — Quanta Magazine, 30 Apr. 2018
  • Any imperfection on a pulsar’s surface—even a bump just a millimetre high—would do the trick.
    — The Economist, 22 Aug. 2019
  • These effects [known as magnetic braking] lead to the pulsar spinning more slowly as time goes on.
    — Robert Lea, Space.com, 28 Feb. 2025
  • Scientists have discovered a pulsar ripping through space at over a million miles per hour.
    — Joshua Hawkins, BGR, 21 June 2022
  • The research shows that gas between stars can shift the arrival time of a pulsar's signal by mere billionths of a second.
    — Sharmila Kuthunur, Space.com, 16 Jan. 2026
  • That means a pulsar doesn't have to be perfectly aligned with Earth to be observed via its radio emissions.
    — Robert Lea, Space.com, 3 Apr. 2026
  • This warping acted as a way to accelerate the pulsar's pulses through space.
    — Ashley Strickland, CNN, 16 Sep. 2019
  • The latter helped refine the locations of these pulsars, which are spinning neutron stars.
    — John Loeffler, Space.com, 7 Feb. 2025
  • Many neutron stars rotate rapidly and emit regular radio waves, and the objects that do are called pulsars.
    — John Wenz, Popular Mechanics, 10 Jan. 2018
  • But in addition to the, well, pulsing, the key to identifying a pulsar is the timing.
    — Jackie Appel, Popular Mechanics, 20 July 2023
  • For massive stars, that's usually a supernova that then creates a black hole or a pulsar.
    — John Wenz, Popular Mechanics, 4 Apr. 2019
  • Gravitational forces from the much heavier pulsar are pulling the Jupiter-mass world into a bizarre lemon shape.
    — Adam Harrington, CBS News, 23 Dec. 2025
  • And the pulsar in question here has been under observation for nearly 20 years.
    — John Timmer, Ars Technica, 1 Feb. 2020
  • But the pulsar still spins, jetting out two beams of intense radiation that can be detected on Earth.
    — Jason Daley, Smithsonian, 31 Oct. 2019
  • Professor Plum could be a pulsar, a type of neutron star that rotates fast and spits beams of radiation from its poles.
    — Marina Koren, The Atlantic, 15 July 2022
  • Astronomers have discovered that rapidly spinning dead stars called neutron stars at the heart of pulsars can blast out radio signals from their edges.
    — Robert Lea, Space.com, 3 Apr. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'pulsar.' 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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