ESOcast is a video podcast series dedicated to bringing you the latest news and research from ESO, the European Southern Observatory. Here we explore the Universe's ultimate frontier.
https://www.eso.org/public/esocast.html
Closest Black Hole or no Black Hole at all…? (ESOcast 252)
One team found a black hole, the other challenged their results. This is the story of how they got together to find out who was right.