pulsar

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This object, known as a pulsar, is the first one known to

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Definitions (2)

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  1. noun Any of several celestial radio sources emitting short intense bursts of radio waves, x-rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars.

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Examples (50)

  • If a pulsar is, in fact, a rapidly rotating neutron star—as has been hypothesized by T. Gold—then it is quite possible that the star has a cloud of gas and a magnetic field associated with it. —  Analog October 1971
  • A last, and quite exciting possibility, is that a pulsar might be causing the nebula's X-ray source. —  Analog March, 1971
  • The nebula has its own pulsar, and it is an unusual one. —  Analog March, 1971
  • It seems unlikely that the nebula should be sheltering two such diverse objects as a pulsar and an X-ray source, and that the two should be entirely unconnected. —  Analog March, 1971
  • While working at Arecibo in early 1992, Aleksander Wolszczan found the strongest evidence yet of planets outside the solar system - two planets orbiting around a pulsar, a rapidly spinning neutron star. —  Omni: December 1993
 

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Etymologies (1)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. From pulse1, by analogy with quasar.
 

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