Noun: quasi-stellar radio source
- A very luminous astronomical object observable to very high redshift (and hence distance from us); thought to be associated with an active galactic nucleus where material merges into a supermassive black hole
"Astronomers detected a powerful quasi-stellar radio source billions of light-years away";
- quasar, QSO
Derived forms: quasi-stellar radio sources
Type of: celestial body, heavenly body
Encyclopedia: Quasi-stellar radio source