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The Sky at Night

Season 17 · Episode 5

How Big are the Planets?

0.0April 30, 1973

Patrick Moore discusses with Gordon Taylor and Dr David Allen new ways of measuring objects in our solar system.

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Episode 11973 - an Exciting Year!
Episode 2Practical Work in the Observatory
Episode 3Sirius - The Brightest Star
Episode 4The Eclipse of the Century
Episode 5How Big are the Planets?
Episode 6The Colours of the Stars
Episode 7The African Eclipse
Episode 8Navigational Astronomy
Episode 9Venus - A Cratered World
Episode 10The Moon Illusion
Episode 11The Volcanoes of Mars
Episode 12When Mercury Crosses the Sun
Episode 13Pioneer to Jupiter