QUASAR

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

Gas on the run – ALMA spots the shadow of a molecular outflow from a quasar when the Universe was less than one billion years old

Quasars — Everything you need to know about the brightest objects in the universe

Best image of bright quasar 3C 273

Finding quasars: Rare extragalactic objects are now easier to spot

Astronomers uncover the brightest quasar in the early universe

Quasar, Discovery, Structure & Evolution

Black Hole Hosts Universe's Most Massive Water Cloud

Biggest, brightest quasar discovered – The Daily Wildcat

Quasar - A fantastic odyssey

What Is a Quasar? - Sky & Telescope - Sky & Telescope

Quasar outburst revises understanding of universe, quasars - The Source - Washington University in St. Louis

Two Supermassive Black Holes in This Quasar Will Collide