The History of Navigation – Part 2 Astrolabe • Octant • Sextant Long before GPS, sailors crossed oceans using science and the sky. 🔹 Astrolabe Originated around 200 BCE and later adapted for ocean travel in the 1400s–1500s. Sailors used it to measure the height of the sun or stars above the horizon to determine latitude. 🔹 Octant Invented in the 1730s, the octant used mirrors to measure angles, allowing sailors to see the sun and horizon at the same time — far more accurate on a moving ship. �
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🏴‍☠️ Navigation in the Golden Age of Piracy (and beyond) Pirates didn’t rule the seas by luck. They ruled them by navigating the seas faster and more accurately than their enemies. As the Golden Age surged after 1715, navigation became the difference between riches and starvation. The Octant Used mirrors to measure the sun or stars above the horizon, helping sailors finally calculate latitude with confidence. The Sextant A refined evolution of the octant, offering greater precision and faster r
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