Spooky Alignment of Quasars Across Billions of Light-years

By Damien Hutsemékers/Dominique Sluse|Institut d'Astrophysique et de Géophysique — Université de Liège, Richard Hook | ESO education and Public Outreach Department on Nov 20, 2014   Featured, Science/Education  

Quasars are galaxies with very active supermassive black holes at their centres. These black holes are surrounded by spinning discs of extremely hot material that is often spewed out in long jets along their axes of rotation. Quasars can shine more brightly than all the stars in the rest of their host galaxies put together. […]