LBQS 1429-008
Encyclopedia
LBQS 1429-008 is a physical triple quasar
. It was the first physical triple discovered.
Quasar
A quasi-stellar radio source is a very energetic and distant active galactic nucleus. Quasars are extremely luminous and were first identified as being high redshift sources of electromagnetic energy, including radio waves and visible light, that were point-like, similar to stars, rather than...
. It was the first physical triple discovered.