Season 17 · Episode 5 of 13
Aired Apr 30, 1973
How Big are the Planets?
Mon, Apr 30, 1973
0 of 13 watched this season
Patrick Moore discusses with Gordon Taylor and Dr David Allen new ways of measuring objects in our solar system.
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Mon, Apr 30, 1973
Show
The Sky at Night
848 episodes
Episode
S17 · E5
in The Sky at Night