The Sky at Night · SEASON 17

Navigational Astronomy

Episode 8 · 1973-08-01

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Season 17Episode 8★ N/A/10
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Episode overview

Until the invention of modern techniques like radar and satellite-guidance, a ship at sea could only find her position by sun and stars. On board ship, Patrick Moore and Cmdr Henry Hatfield, RN, discuss the navigational origins of astronomy, and show how seamen use the sun.

Season 17 episodes

1. 1973 - an Exciting Year!1973-01-08 2. Practical Work in the Observatory1973-02-07 3. Sirius - The Brightest Star1973-03-19 4. The Eclipse of the Century1973-04-02 5. How Big are the Planets?1973-04-30 6. The Colours of the Stars1973-06-04 7. The African Eclipse1973-07-11 8. Navigational Astronomy1973-08-01 9. Venus - A Cratered World1973-08-22 10. The Moon Illusion1973-09-18 11. The Volcanoes of Mars1973-10-17 12. When Mercury Crosses the Sun1973-11-07 13. Pioneer to Jupiter1973-12-12