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Noun: QSO
  1. 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
    - quasar, quasi-stellar radio source

Type of: celestial body, heavenly body

Encyclopedia: QSO

Nearest

Qing dynasty
Qinghai
Qinghai province
qintar
Qizil Qum
Qld
Qom
qoph
QPM
qq.
QSO
qt
qty.
qua
Quaalude
quack
quack grass
quackery
quackgrass
quackish
quackle