A quasars is a compact region in the center of a massive galaxy surrounding its central supermassive black hole.  Quasars are among  the most luminous, powerful, and energetic objects in the universe, and can emit up to a thousand times the energy output of the Milky Way.

A team of international scientists analyzing a quasar 12 billion light-years from Earth say there is water vapor in the object – which they call “a voraciously feeding black hole” – equivalent to 34 billion times the mass of our planet. They say it’s the largest mass of water ever found.

“We not only detected water in the farthest reaches of the universe, but enough to fill Earth’s oceans more than 100 trillion times,” said Jason Glenn, an associate professor at the University of Colorado-Boulder, who was co-author of a study of the quasar.

http://www.tgdaily.com/space-features/57445-biggest-cloud-of-water-in-universe-discovered