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In the unified model of active galactic nuclei, the broad line region in an active galactic nucleus is   a. composed of clouds of gas and stars moving at very high orbital velocities.   b. composed of a supermassive black hole.   c. responsible for producing the bright continuous radiation observed in hypernovae.   d. responsible for the narrow absorption lines seen in type 2 Seyfert galaxies.   e. located farther from the core than the narrow line emission region.

In the unified model of active galactic nuclei, the broad line region in an active galactic nucleus is   a. composed of clouds of gas and stars moving at very high orbital velocities.   b. composed of a supermassive black hole.   c. responsible for producing the bright continuous radiation observed in hypernovae.   d. responsible for the narrow absorption lines seen in type 2 Seyfert galaxies.   e. located farther from the core than the narrow line emission region.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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  1. In the unified model of active galactic nuclei, the broad line region in an active galactic nucleus is
      a.
    composed of clouds of gas and stars moving at very high orbital velocities.
      b.
    composed of a supermassive black hole.
      c.
    responsible for producing the bright continuous radiation observed in hypernovae.
      d.
    responsible for the narrow absorption lines seen in type 2 Seyfert galaxies.
      e.
    located farther from the core than the narrow line emission region.
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