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1
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quadrant
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Astronomical navigation cultures
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Quadrants are traditional tools used by astronomical navigation cultures to measure the altitude of celestial bodies.
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3
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2
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astronomical calendar
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Astronomical navigation cultures
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Astronomical events are used by navigation cultures to mark important dates and seasons.
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1
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3
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celestial bodies
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Astronomical navigation cultures
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Astronomical navigation cultures use celestial bodies for navigation and orientation at sea.
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1
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4
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polaris
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Astronomical navigation cultures
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The Polaris (North Star) is used for celestial navigation in astronomical navigation cultures because of its consistent position in the night sky.
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1
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5
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star charts
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Astronomical navigation cultures
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Elaborate star charts and celestial maps are used for navigation at sea and in the open ocean by astronomical navigation cultures.
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1
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