The Unified Model Describes Active Galactic Nuclei Using

question 139

Multiple Choice

The unified model describes active galactic nuclei using

• A)a supermassive black hole at the center of a normal spiral galaxy.
• B)a supermassive black hole surrounded by an accretion disk and dense disk of gas.
• C)an accretion disk around a neutron star.
• D)gravitational lenses to intensify the radiation coming from them.
• E)different lines of sight toward and dwarf irregular galaxy.

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