Definition of quasar in English:

quasar

Line breaks: qua¦sar
Pronunciation: /ˈkweɪzɑː
 
, -sɑː/

noun

Astronomy
A massive and extremely remote celestial object, emitting exceptionally large amounts of energy, which typically has a starlike image in a telescope. It has been suggested that quasars contain massive black holes and may represent a stage in the evolution of some galaxies.
More example sentences
  • Astronomers believe that quasars are galaxies with very massive black holes in the center.
  • Rich in objects, from galaxies to quasars to white dwarf stars, this vast data archive will serve as a resource for the entire astronomical community.
  • Radio astronomers found pulsars, quasars, and massive molecular clouds dotting the celestial landscape.

Origin

1960s: contraction of quasi-stellar.

Definition of quasar in:

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Pronunciation: ˈgʌz(ə)l
verb
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