Quote:
Originally Posted by William
"One Shot" Quasar Theory
There is a theory that every galaxy is active, for a short period, 10 million to 100 million years, when its super massive black hole rapidly grows. The “quasar period” of a galaxy is a 10MM to 100MM year time period when the galaxy in question produces the broad line spectrum of a “quasar”.
|
Along with this idea is that from time to time a galaxy will merge with some dwarf galaxy or protogalactic cloud, and reignite the central SMBH. It is very likely, for example, that 3C273 and all the other 'nearby' quasars fit this category. So... One Shot with occasional flareups.