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pulsars

  • plural
    of pulsar.
    pulsar
    noun
    one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation, especially radio waves, with a high degree of regularity.

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Its work in tracking spacecraft in the early space race, and its research into quasars, pulsars and gravitational lenses, is also part of its outstanding scientific heritage.

From BBC Sep. 1, 2026

By tracking many pulsars over long periods, international research teams have found evidence for a stochastic gravitational wave background at nanohertz frequencies.

From Science Daily Aug. 27, 2026

Most neutron stars remain hidden unless they appear as pulsars that emit radio waves or shine brightly in X-rays.

From Science Daily May 15, 2026

They are also investigating whether similar mechanisms could help explain the lack of planets around binary pulsars, which are pairs of rapidly spinning neutron stars that emit regular radio pulses.

From Science Daily Apr. 19, 2026

They pay almost no attention to all the moons and planets, asteroids and comets, quasars and pulsars, exploding galaxies, symbiotic stars, cataclysmic variables and X-ray sources that have been discovered since Ptolemy’s time.

From "Cosmos" by Carl Sagan

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