QUASAR

A quasar Milky Way six million years ago?, Space

Sorry, Astronomers Haven't Found The Brightest Quasar In The Entire Universe

Quasar COSMOS

Quasar - A fantastic odyssey

Distant Quasars: Shedding Light on Black Holes

Did a black-hole merger create a flash in a distant quasar? – Physics World

Rare quasar triplet forms one of the most massive objects in the universe

Hubble Finds That the Nearest Quasar Is Powered by a Double Black Hole

Surprising Hubble Images Challenge Quasar Theory

ESA - Hubble captures a 'quintuple' quasar

Quasar - Wikipedia

Quasar by tadp0l3 on DeviantArt