QUASAR

Black Hole Hosts Universe's Most Massive Water Cloud

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

Bad Astronomy, Hubble sees a quasar multiplied 5 times by gravitational lens

What Is A Quasar? - Universe Today

International team observes innermost structure of quasar jet, MIT News

What is a quasar?

Distant Quasars: Shedding Light on Black Holes

Quasar jets are particle accelerators thousands of light-years long

Quasar - Wikipedia

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