Universe - Season 1 Episode 2 Alien Worlds: The Search for Second Earth
- Genre : Documentary
- Année : 2021
- Réalisateur : Brian Cox, Ashley Gething
- Acteur : Brian Cox
- Pays : China, United Kingdom, United States of America
- studio : BBC Two
- 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?
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