by Rupintor - uploaded on July 31, 2018, 11:53 pm

It is an Active Galactic Nucleus (AGN). A blazar (this kind of object includes BL Lacertae objects and optically violently variable quasars) can be a quasar or a radiogalaxy. These three objects can be one. For each spatial position it appears in front of the observer it receives a specific name.

blazar quasar radio galaxy AGN nucleus space radiogalaxy astronomy accretion disk black hole light mass gravity jet
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