How to use a Celestial Navigation Device

Celestial Navigation Devices take you back to the sailing of old. It’s a trip through time back to when sailors would use such instruments to determine their position when they were far out at sea and there was no land in sight. The way they work is to use the angle between a star (or our star, the Sun) and the horizon. With this you can then find out where you are, which is your celestial geographic position.

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