The Sky at Night — Season 17

Episodes

• E1 1973 - an Exciting Year!1973-01-08—
• E2 Practical Work in the Observatory1973-02-07—
• E3 Sirius - The Brightest Star1973-03-19—
• E4 The Eclipse of the Century1973-04-02—
• E5 How Big are the Planets?1973-04-30—
• E6 The Colours of the Stars1973-06-04—
• E7 The African Eclipse1973-07-11—
• E8 Navigational Astronomy1973-08-01—
• E9 Venus - A Cratered World1973-08-22—
• E10 The Moon Illusion1973-09-18—
• E11 The Volcanoes of Mars1973-10-17—
• E12 When Mercury Crosses the Sun1973-11-07—
• E13 Pioneer to Jupiter1973-12-12—