Quasar

Most distant quasar ever seen is way too big for our universe

The violent origin of quasars

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

Quasar jets thousands of light-years long

Most Powerful Quasar Discovered

Quasar (Wallpaper 4K) by Hardii on DeviantArt

Astronomers solve mystery about quasars - and the likely future of the Milky Way, Science & Tech News

A Distant Quasar as a Cosmic Clock - AAS Nova

Hubble Telescope Finds Double Quasar in Early Universe - Mellon College of Science - Carnegie Mellon University

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

Astronomers uncover the brightest quasar in the early universe

A new Technique Could use Quasars to Directly Measure the Expansion Rate of the Universe - Universe Today