"It is starlike in appearance, showing very high redshift and an energy output of at least 100 galaxies from a small region about 1 light-day across." This statement describes which of these astronomical objects?

Question

Quizplus · Accepted Answer

Quasars are extremely luminous active galactic nuclei, with very high redshifts, indicating that they are far away from Earth. They can outshine entire galaxies, emitting as much energy as hundreds of galaxies combined from a very compact region that is roughly the size of our solar system. This matches the description given.

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