Astronomers have discovered a quasar that remained hidden for over the years is the brightest ever, powered by the fastest growing black hole ever discovered that eats a sun every day.

Brightest quasar ever seen is powered by black hole that eats a 'sun a day'

Source: space
Source Link: https://www.space.com/brightest-quasar-ever-powered-black-hole-solar-mass-accretion-disk