quasars
/ˈkweɪ.zɑrz/
NOUN
1. Luminous extragalactic astronomical objects
Extragalactic objects, starlike in appearance, that are among the most luminous and most distant objects in the universe.
1.1. Astronomy and astrophysics
Used in astrophysical contexts to describe multiple intensely radiant celestial bodies or active galactic nuclei in the deep cosmos.
Synonyms
- pulsars
- luminaries
- variable stars
Examples
- Quasars are among the most energetic and luminous objects in the universe.
- Astronomers use telescopes to observe distant quasars and study their properties.
Related Words
- binary stars
- brown dwarfs
- clusters
- constellations
- galaxies
- neutron stars
- novae
- supernovae
- supergiants
- white dwarfs