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Human Universe

Series 1 Episode 3: Are We Alone?

We live in a galaxy with upwards of 200 billion star systems. Many of which will be home to planets that could support life. The question is: is anybody there? After all, if the universe has thrown up one intelligent civilisation, why not more?

Documentary / Science
Original air date
Cast and crew
  • Nat SharmanDirector
  • Brian CoxHost