S1·E2 – Alien Worlds: The Search for Second Earth⭐ 4.5/5
2021-11-03 • 48 min
Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth?
2021-11-03 • 48 min
Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth?
