The Sky At Night
Other Worlds (2008x12)
Season finale
Air date: Dec 08, 2008
Chris visits Hawaii's Keck Telescope and SETI's Alien Telescope Array in California to see how astronomers are searching for signs of alien life.
- Premiered: Apr 1957
- Episodes: 834
- Followers: 18
- Running
- BBC Four
- Sunday at 22
