Quasar: References & Edit History
More Articles On This Topic
Article Contributors
Primary Contributors
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 09, 2026 | ||
| Modified link of Web site: University of Central Florida Pressbooks - Astronomy - Quasars. | Oct 17, 2026 | ||
| Add new Web site: IOPscience - The Astrophysical Journal - Detecting and Characterizing Young Quasars. III. The Impact of Gravitational Lensing Magnification. | Apr 07, 2026 | ||
| Add new Web site: ABC listen - The Science Show - Quasars and the evolution of the universe. | Aug 22, 2025 | ||
| Add new Web site: Frontiers - Frontiers in Astronomy and Space Sciences - Unveiling the quasar main sequence: illuminating the complexity of active galactic nuclei and their evolution. | Jul 10, 2025 | ||
| Add new Web site: IOPscience - Journal of Physics: Conference Series - Fifty Years of Quasars: Physical Insights and Potential for Cosmology (PDF). | May 22, 2025 | ||
| Add new Web site: CiteSeerX - Quasars and galaxy formation. | Mar 19, 2025 | ||
| Add new Web site: Physics LibreTexts - Quasars as Probes of Evolution in the Universe. | Sep 26, 2024 | ||
| Add new Web site: California Institute of Technology - Department of Astronomy - The Origins and the Early Evolution of Quasars and Supermassive Black Holes. | Apr 05, 2024 | ||
| Add new Web site: BCCampus Publishing - Douglas College Astronomy 1105 - Quasars. | Jan 25, 2024 | ||
| Add new Web site: University of Central Florida Pressbooks - Astronomy - Quasars. | Dec 07, 2023 | ||
| Add new Web site: The Nine Planets - Quasars. | Oct 13, 2023 | ||
| Video and links added. | May 31, 2023 | ||
| Add new Web site: Khan Academy - Quasar. | Feb 18, 2023 | ||
| Add new Web site: Openstax - Astronomy 2e - Supermassive Black Holes: What Quasars Really Are. | Sep 23, 2022 | ||
| Add new Web site: StarDate - Quasar. | Apr 22, 2022 | ||
| Add new Web site: Space.com - Quasars. | Jun 15, 2019 | ||
| Add new Web site: Kids Astronomy - The Universe - Quasar. | May 09, 2017 | ||
| Add new Web site: Swinburne University of Technology - COSMOS - The SAO Encyclopedia of Astronomy - Quasar. | Mar 11, 2013 | ||
| Add new Web site: Everyday Cosmology - Maarten Schmidt Discovers Quasars. | Aug 06, 2012 | ||
| Article thoroughly revised. | May 06, 2010 | ||
| Added new Web site: Sea and Sky - Quasars. | Apr 16, 2009 | ||
| Article revised. | Feb 27, 2009 | ||
| Article revised and updated. | Dec 12, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: