Interstellar: The Journey to Proxima Centauri

Following the recent discovery of an Earth-like planet orbiting Proxima Centauri, the Sky at Night focuses on our nearest neighbouring star. As well as telling the story of the of the discovery of the new planet and revealing what conditions may be like on its surface, the team is also joined by Professor Jim al-Khalili to investigate the possibility of building a spaceship that could travel the 4.23 light years to Proxima Centauri.