"It is starlike in appearance,showing very high redshift and an energy output of at least 100 galaxies from a small region about 1 ly across." These characteristics describe which astronomical object?

Question

Quizplus · Accepted Answer

The high redshift and energy output are indicative of a quasar, which is a type of active galactic nucleus powered by a supermassive black hole. The small region of high energy output suggests that it is coming from a relatively small region, which is consistent with a black hole accretion disk in a quasar.

"It Is Starlike in Appearance,showing Very High Redshift and an Energy