plural of quasar

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

plural of binary quasar

plural of double quasar

plural of twin quasar

plural of giant quasar

(astronomy) A pair of quasars which gravitationally interact with each other, unlike a standard double quasar, which does not interact.

(astronomy) Two quasars that form a system, such that they gravitationally interact, or are part of the same cluster of galaxies; a binary quasar.

(astronomy) a pair of quasar images formed by gravitational lensing of a single physical quasar

(astronomy) a quasar embedded in a double-lobed radio source, similar to a radio galaxy, whereby the quasar replaces a non-quasar galaxy, where the radio source extends over 1Mpc.