Crushing the Earth into a Black Hole and looking into the core of the Milky Way. Featuring Omar Almaini from the University of Nottingham. More Black Hole videos: https://www.youtube.com/playlist?list=PLcUY9vudNKBNnhsKqjZ_pO2Hum73dbJBT Black holes are a favourite of both science fiction and science fact. What are they though, and should we be afraid of them? How big would the Earth be if we wanted to make it into a black hole, and how big can they get? Is their terrible reputation really warranted? Discussing the Schwarzschild radius. Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Patreon: https://www.patreon.com/sixtysymbols Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com Email list: http://eepurl.com/YdjL9