An extremely compact form of these objects is called a blazar ("blaze-are").
These objects are similar to a type of object with a continuous spectrum called a BL Lac object. One of these object discovered in 1979 was the first observed instance of gravitational lensing. These objects are a type of active galactic nuclei, and are believed to be powered by the accretion disc formed from a super-massive black hole at the center of a galaxy. An extremely compact form of these objects is called a blazar ("blaze-are"). These bodies have charactistically high redshifts. For 10 points, name these distant astronomical objects that emit large amounts of energetic light.
These objects are similar to a type of object with a continuous spectrum called a BL Lac object.
quasar [or quasi-stellar radio source]