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Pulsar: meaning, definitions and examples

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pulsar

 

[ หˆpสŒl.sษ‘หr ]

Noun
Context #1 | Noun

astronomy phenomenon

A pulsar is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. As the pulsar rotates, these beams sweep across the sky like a lighthouse beam, and if the Earth is in the path of the beams, they can be detected as regular pulses of radiation. These signals can be observed in radio, optical, X-ray, or gamma-ray wavelengths. Pulsars are known for their precise timing and can rotate anywhere from once every few milliseconds to several seconds.

Synonyms

magnetar, neutron star.

Examples of usage

  • The pulsar was discovered using radio telescopes.
  • Astronomers measure the regularity of pulsar signals.
  • Pulsars can help scientists test theories of gravity.
  • The first pulsar was discovered in 1967.

Translations

Translations of the word "pulsar" in other languages:

๐Ÿ‡ต๐Ÿ‡น pulsar

๐Ÿ‡ฎ๐Ÿ‡ณ เคชเคฒเฅเคธเคฐ

๐Ÿ‡ฉ๐Ÿ‡ช Pulsar

๐Ÿ‡ฎ๐Ÿ‡ฉ pulsar

๐Ÿ‡บ๐Ÿ‡ฆ ะฟัƒะปัŒัะฐั€

๐Ÿ‡ต๐Ÿ‡ฑ pulsar

๐Ÿ‡ฏ๐Ÿ‡ต ใƒ‘ใƒซใ‚ตใƒผ

๐Ÿ‡ซ๐Ÿ‡ท pulsar

๐Ÿ‡ช๐Ÿ‡ธ pulsar

๐Ÿ‡น๐Ÿ‡ท pulsar

๐Ÿ‡ฐ๐Ÿ‡ท ํŽ„์„œ

๐Ÿ‡ธ๐Ÿ‡ฆ ู†ุจุงุถ

๐Ÿ‡จ๐Ÿ‡ฟ pulsar

๐Ÿ‡ธ๐Ÿ‡ฐ pulsar

๐Ÿ‡จ๐Ÿ‡ณ ่„‰ๅ†ฒๆ˜Ÿ

๐Ÿ‡ธ๐Ÿ‡ฎ pulsar

๐Ÿ‡ฎ๐Ÿ‡ธ pulsar

๐Ÿ‡ฐ๐Ÿ‡ฟ ะฟัƒะปัŒัะฐั€

๐Ÿ‡ฌ๐Ÿ‡ช แƒžแƒฃแƒšแƒกแƒแƒ แƒ˜

๐Ÿ‡ฆ๐Ÿ‡ฟ pulsar

๐Ÿ‡ฒ๐Ÿ‡ฝ pulsar

Etymology

The term 'pulsar' was first coined in 1968 by the British astrophysicist Jocelyn Bell Burnell and her supervisor Antony Hewish, who discovered the first pulsar, known as PSR B1919+21, in 1967. The name is derived from the words 'pulsating star', reflecting the regular pulsing nature of the radiation emitted by these celestial objects. The discovery of pulsars provided significant insights into the nature of neutron stars and the extreme conditions present in the universe. Pulsars challenged existing theories about stellar evolution and continued to captivate astronomers, leading to further research and exploration of their properties and potential applications in understanding fundamental physics.

Word Frequency Rank

At rank #28,140, this word represents specialized academic or technical vocabulary. It's less frequently encountered but may be valuable in specific contexts.