A pulsing black hole in the centre of a distant galaxy sheds light on black hole and galaxy formation. How fast are black holes rotating and how does that rotation change over its life-span?Huge thanks to Prof. Geraint Lewis and study author Dr. Dheeraj Pasham.A loud quasi-periodic oscillation after a star is disruptedby a massive black holehttps://ve42.co/pashamSpecial thanks to Patreon supporters:Donal Botkin, James M Nicholson, Michael Krugman, Nathan Hansen, Ron Neal, Stan Presolski, Terrance ShepherdMusic from http://epidemicsound.com "Colorful animation 4" "serene story 2" "To the stars 01" "Black VortexAnimations by Alan Chamberlain and courtesy of NASA