Sorry, we have not watched this yet.
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.
Sorry, we have not watched this yet.