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Humanity’s history of navigation is rooted in the sky. People have used the stars to find their way long before anyone was making maps or a compass. When wayfinders know how to use a celestial body in the sky and the visible horizon, they can know their fixed position. We call this method celestial navigation. Though this technique was good enough to keep travelers going in the right general direction, the development of refined navigational tools greatly improved our ability to find our way around the globe.ND Night Sky 360° video
Your phone's GPS is more detailed, but a compass doesn't need a battery.
A compass points to magnetic north, aligning with the pull of Earth's magnetic field.
The sextant is used to measure the angle between an astronomical object, such as a star, and the horizon to find latitude.
The name of a clock that navigators use to determine longititude.