The Sky at Night · S57 E9
2013-09-02
Black holes are the beating heart of galaxies. It seems that they are pivotal in their evolution, but they also have a destructive side. A dust cloud more massive than the size of the Earth is on a doomed course, as it careers towards the black hole at the centre of our galaxy. Chris Lintott talks to the Astronomer Royal about this cataclysmic encounter.