blazar
- Noun. (galaxy) A highly variable active galaxy, characterized by a very compact and highly variable energy source (a supermassive black hole) at the center and its strong optical polarization and variability.
- Noun. (galaxy) Collectively, optically violent variable quasars and BL Lac objects.
This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.