Poster of Cast and Crew in The Sky At Night - How Big are the Planets? (Season 17 - Episode 5) - How Big are the Planets?

The Sky At Night - Season 17 - How Big are the Planets? (Episode 5)

Plot: Patrick Moore discusses with Gordon Taylor and Dr David Allen new ways of measuring objects in our solar system.
Episode Aired On:
Monday, April 30 1973
52 years ago
Genres: Documentary, News