Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 11
Science & Medicine 32

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Episode 211: Celestial Navigation

December 13th, 2010

Episode 243 of 464 episodes

Before there was GPS, navigators had to rely on the Sun and the stars to find their way around the Earth. It's easier than it sounds, if you've got the right instruments, clear skies, and a really accurate clock. Let's examine the history of celestial navigation, learn about the different methods, and then give you some practical ways that you can go out and learn how to do this for yourself.

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