pulsar - definitie. Wat is pulsar
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Wat (wie) is pulsar - definitie

HIGHLY MAGNETIZED, RAPIDLY ROTATING NEUTRON STAR OR WHITE DWARF
Rotation-powered pulsar; Radio pulsar; Pulsars; Rotation-powered pulsars; Rotation powered pulsars; Rotation powered pulsar; Radio pulsars; Timing noise; Light cylinder; Pulser; Radio Pulsar; Pulsating Radio Sources; Pulsating radio star; Rotating neutron star; Pulsating Radio Star; Lighthouse model
  • Composite optical/X-ray image of the [[Crab Nebula]], showing [[synchrotron emission]] in the surrounding [[pulsar wind nebula]], powered by injection of magnetic fields and particles from the central pulsar.
  • Jocelyn Bell]] first recognised evidence of a pulsar, exhibited at [[Cambridge University Library]]
  • Gamma-ray pulsars detected by the [[Fermi Gamma-ray Space Telescope]].
  • Illustration of the "[[lighthouse]]" effect produced by a pulsar.
  • WISE]] in red, green and blue/max.
  • Neutron star types (24 June 2020)}}
  • Animation of a rotating pulsar. The sphere in the middle represents the neutron star, the curves indicate the magnetic field lines and the protruding cones represent the emission zones.

pulsar         
['p?ls?:]
¦ noun Astronomy a celestial object, thought to be a rapidly rotating neutron star, that emits regular rapid pulses of radio waves.
Origin
1960s: from puls(ating st)ar, on the pattern of quasar.
pulsar         
(pulsars)
A pulsar is a star that spins very fast and cannot be seen but produces regular radio signals.
N-COUNT
Pulsar         
A pulsar (from pulsating radio source) Extract of page 249 is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. This radiation can be observed only when a beam of emission is pointing toward Earth (similar to the way a lighthouse can be seen only when the light is pointed in the direction of an observer), and is responsible for the pulsed appearance of emission.

Wikipedia

Pulsar

A pulsar (from pulsating radio source) is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. This radiation can be observed only when a beam of emission is pointing toward Earth (similar to the way a lighthouse can be seen only when the light is pointed in the direction of an observer), and is responsible for the pulsed appearance of emission. Neutron stars are very dense and have short, regular rotational periods. This produces a very precise interval between pulses that ranges from milliseconds to seconds for an individual pulsar. Pulsars are one of the candidates for the source of ultra-high-energy cosmic rays. (See also centrifugal mechanism of acceleration.)

The periods of pulsars make them very useful tools for astronomers. Observations of a pulsar in a binary neutron star system were used to indirectly confirm the existence of gravitational radiation. The first extrasolar planets were discovered around a pulsar, PSR B1257+12 in 1992. In 1983, certain types of pulsars were detected that, at that time, exceeded the accuracy of atomic clocks in keeping time.

Voorbeelden uit tekstcorpus voor pulsar
1. The product names that have been identified as faulty are as follows÷ Pulsar Max, Pulsar, Discovery, Meridian, Pulsar Max II, Discovery II, Virtus Plus II, Intelis II and Contak TR.
2. The price differentials between the small car and the high end motorcycles likes of Bajaj Pulsar 200 cc, the to–be–launched Pulsar 220 cc and Hero Honda Karizma are expected to be minimal.
3. It expects to sell 2,000 units of Pulsar DTS Fi per month.
4. Three other purported rocky planets have been reported outside the solar system, but they orbit a pulsar, the flashing corpse of an exploded star.
5. His ‘measures’ sounds more like the common street pronunciation of ‘meyers’; he spends his free time roaming around crowded bylanes on his modified Pulsar.