different between quasar vs blazar

English

Etymology

Blend of quasi- +? stellar, from quasi-stellar radio source. Coined by American astrophysicist Hong-Yee Chiu in 1964 in an article in Physics Today.

Pronunciation

• (UK) IPA^(key): /?kwe?.z??/
• (US) IPA^(key): /?kwe?.z??/

Noun

quasar (plural quasars)

1. (astronomy) An extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.

Synonyms

• Q
• QSO, quasi-stellar object
• (dated) QSR, quasi-stellar radio-source
• (obsolete) QSS, quasi-stellar source
• (obsolete) BSO, blue stellar object

Derived terms

• microquasar

Translations

See also

• AGN, active galactic nucleus
• active galaxy
• pulsar
• RIQ, RLQ, RQQ

French

Etymology

Borrowing from English quasar

Pronunciation

• IPA^(key): /kwa.za?/, /ka.za?/

Noun

quasar m (plural quasars)

1. quasar

References

• “quasar” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Portuguese

Noun

quasar m (plural quasares)

1. (astronomy) quasar (an extragalactic object)

Romanian

Etymology

From English quasar.

Noun

quasar m (plural quasari)

1. quasar

Declension

English

Etymology

Coined by 1978 by astronomer Edward Spiegel from BL Lac object and quasar.

Pronunciation

• (US) IPA^(key): /?ble?z.??/
• Rhymes: -??

Noun

blazar (plural blazars)

1. (astronomy) A very compact quasar, associated with a supermassive black hole at the center of an active galaxy.
2. (astronomy) An object which is either an optically violent variable quasar or a BL Lac object or which has properties of both.

Translations

See also

• quasar
• AGN, active galactic nucleus
• Active Galaxies and Quasistallar Objects, Blazars
• Blazar Illuminates Era When Stars And Galaxies Formed