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  1. Sextant - Wikipedia

    A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object …

  2. How Sextants Work: An Illustrated Guide – Casual Navigation

    A sextant is a navigational instrument that measures the angle between two objects. It uses a pair of mirrors to overlay one object over the other. The angle between the objects is proportional to the …

  3. Sextant | Navigation, Celestial Measurement & Astronomy ...

    sextant, instrument for determining the angle between the horizon and a celestial body such as the Sun, the Moon, or a star, used in celestial navigation to determine latitude and longitude.

  4. A Comprehensive Guide to Marine Sextant

    Jan 29, 2024 · A sextant is a marine navigation instrument used to measure the angle between two objects. Learn everything about Sextants in this article.

  5. SEXTANT Definition & Meaning - Merriam-Webster

    The meaning of SEXTANT is an instrument for measuring angular distances used especially in navigation to observe altitudes of celestial bodies (as in ascertaining latitude and longitude).

  6. What is a Sextant and How Does it Work? - Orbitshub

    A sextant is a navigation instrument used to measure the angles between celestial bodies and the horizon. It works by aligning the index mirror with the celestial body and reflecting its image onto the …

  7. 3 Ways to Use a Sextant - wikiHow

    Oct 8, 2025 · A sextant is an old navigational tool that measures elevation using angular distances. You can use a sextant to determine the altitude in the sky of the sun, moon, or other celestial bodies …