Active galactic nucleus: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 09, 2026 | ||
| Video added. | May 31, 2023 | ||
| Corrected display issue. | Mar 20, 2023 | ||
| Invalidated site: National Aeronautics and Space Administration - Introduction to Active Galactic Nuclei. | Mar 11, 2019 | ||
| Add new Web site: National Aeronautics and Space Administration - Introduction to Active Galactic Nuclei. | Aug 02, 2011 | ||
| Add new Web site: How Stuff Works - Science - Active Galaxies. | Aug 02, 2011 | ||
| Add new Web site: The University of Alabama - Astronomy Program - Active Galactic Nuclei. | Aug 02, 2011 | ||
| New article added. | Feb 05, 2009 |
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