Quasar

Finding quasars: Rare extragalactic objects are now easier to spot

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

Quasar (Illustration)

Quasar, Discovery, Structure & Evolution

NASA's Webb Will Use Quasars to Unlock the Secrets of the Early Universe - NASA

Quasar - Wikipedia

Quasar Lenses

Scientists Discover Brightest Quasar Ever Powered by Black Hole, Dating to Dawn of Time - ABC News

Neutron Star Behaves Like a Mini-quasar - Universe Today