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Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the surface of the Earth without relying solely on estimated positional calculations, commonly known as dead reckoning.
Learn how mariners used the Sun and stars to find latitude and tell time at sea with special instruments. Explore the history and innovations of celestial navigation, from the horary quadrant to the mariner's astrolabe.
Learn how to use the positions of celestial bodies to determine a navigator’s position on Earth. Find out how to use a sextant, a plotting sheet, and almanacs to calculate latitude and longitude.
- The Editors of Encyclopaedia Britannica
Learn how pilots used sextants, stars and tables to navigate across oceans before GPS. See how to calculate your position from the altitude and azimuth of celestial bodies using formulas and charts.
Mar 28, 2024 · How to navigate by the stars: the fundamentals of celestial navigation. By Kieran Cunningham. Contributions from. Alex Foxfield. last updated 28 March 2024. Learning how to navigate by the stars is great fun, plus it could also save your skin if you lose your compass or GPS device.
Mar 3, 2022 · Learn how celestial navigation evolved from ancient times to the age of exploration and beyond, and how it still helps sailors today. Discover the instruments, techniques and challenges of using the sun, stars and moon to navigate the sea.
Apr 25, 2021 · How the U.S. Navy and Marine Corps are using the stars to navigate in a world where GPS is fragile and hackable. Learn about the history, technology, and challenges of celestial navigation, from sextants to infrared sensors.
