Imagine the Universe!

Active Galaxies and Quasars

Standards Button

Level 1 topics include:

  • An Introduction to Active Galaxies
  • Seyferts
  • Quasars
  • Blazars

Level 2 topics include:

  • Introduction: A Monster in the Middle
  • Seyferts
  • Quasars
  • Blazars

Take Me to Level 1 Information

Take Me to Level 2 Information

Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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