How does the unified model describe an active galactic nucleus?
A)as a supermassive black hole at the centre of a normal spiral galaxy
B)as a supermassive black hole surrounded by an accretion disk and a dense disk of gas
C)as an accretion disk around a neutron star
D)as a gravitationally lensed high-redshift galaxy

Question

Quizplus · Accepted Answer

The unified model describes an active galactic nucleus as a supermassive black hole surrounded by an accretion disk and a dense disk of gas. This model explains the observed differences in active galactic nuclei based on the orientation of their accretion disk relative to our line of sight.

How Does the Unified Model Describe an Active Galactic Nucleus