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The Sky at Night•Season 17•Episode 8

Navigational Astronomy

Aug 1, 1973

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

Previous episodeE7 · The African Eclipse Next episodeE9 · Venus - A Cratered World

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Season 17 Episodes13

1973 - an Exciting Year!

Practical Work in the Observatory

Sirius - The Brightest Star

The Eclipse of the Century

How Big are the Planets?

The Colours of the Stars

The African Eclipse

Navigational Astronomy

Venus - A Cratered World

The Moon Illusion

The Volcanoes of Mars

When Mercury Crosses the Sun

Pioneer to Jupiter

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Episode Summary

"Navigational Astronomy" is episode 8 of The Sky at Night season 17. It aired on August 1, 1973.

Next: E9 · Venus - A Cratered World Best of Season 17