The most-commonly accepted alternate theory about these phenomena is Ian Browne's suggestion that they are type 1 Fanaroff-Riley sources.
The most-commonly accepted alternate theory about these phenomena is Ian Browne's suggestion that they are type 1 Fanaroff-Riley sources. Boettcher et al. proposed an evolutionary scenario to unify these phenomena, suggesting that they evolve from their FSRQ to LBL to HBL subtypes. The Global Telescope Network was created to observe these things, which are thought to comprise two-thirds or more of all flat-spectrum radio sources. Edward Spiegel coined the name for these phenomena, since they appeared to have properties of OVVs and BL Lac objects. Because these structures exhibit extreme Doppler boosting, they unusually have no emission lines. Usually found in large elliptical galaxies, these structures are often studied as sources of superluminal motion since it is thought that their relativistic jets point towards Earth. For 10 points, name these active galactic nuclei, thought to be a type of quasar.
The most-commonly accepted alternate theory about these phenomena is Ian Browne's suggestion that they are type 1 Fanaroff-Riley sources.
blazars [prompt on quasars; prompt on AGNs or active galactic nuclei]