The IPhO 2016 Logo illustrates an active galactic nuclei.

There may be a connection between that and the active galactic nuclei.

There may be a connection between that and the active galactic nuclei.

There may be a connection between that and the active galactic nuclei.

There may be a connection between that and the active galactic nuclei.

It is a Seyfert galaxy and has an active galactic nucleus.

Quasars appear to be ejected, deficient in electrons, from their parent active galactic nucleus (AGN).

This points to Messier 104 harbouring a weak Active Galactic Nucleus (AGN) .

This points to Messier 104 harboring a weak Active Galactic Nucleus (AGN).

It has active galactic nucleus, which means the luminosity of the core is much higher than normal.

A quasar is an extremely luminous active galactic nucleus, but some have been noticed to be vanishing… rapidly.

Chandra showed that the characteristics of the gas didn’t match those from an active galactic nucleus.

Chandra showed that the characteristics of the gas didn't match those from an active galactic nucleus.

Centaurus A is one of the foremost examples of a radio-loud active galactic nucleus (AGN).

It is highly unlikely that an active galactic nucleus could have more than one pair of jets," says Yang.