Answer to Question #90286 in Astronomy | Astrophysics for Shivam Nishad

Question

What is a quasar ? Sketch the spectrum of a quasar and describe its main characteristics.

Answer 1

Quasars are the brightest astronomical objects in the visible Universe, it is believed that these are active galactic nuclei at the initial stage of development.

The main characteristics of quasars are the enormous power of electromagnetic radiation, variable brightness, a large redshift of the spectra; these are extremely remote objects.