A sextant is a navigational instrument that sights upon the stars to determine a ship's position. This instrument was crucial to naval navigation until global positioning became a reality in the late 20th century.
"Henry the Navigator prized his sextant while on his journeys to the New World."
"The ship's position is determined by the use of the ship's navigator using a sextant."
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the sextant helped me navagate my way to alaska
you use a sextant to navigate.
Yes Christopher Columbus did use a sextant along with a compass, ampoletta, and a cross staff.
the sextant
He used a compass and a sextant on his expedition. :)
Use a sextant
you can find sextant on history.com
Sextant
you draw a sextant by looking at googler in the images.
he was and italian navigator what do they use for exploring
To use a false horizon with a sextant, you would need to create an artificial horizon with a still reflecting surface, such as oil in a pan or a small pool of water. You would then line up the celestial body you are measuring with its reflection on the artificial horizon, allowing you to take an accurate sextant reading. This method is useful when the true horizon is obscured or not visible.
The only similarity would be that you can use both to navigate a ship or an aircraft. Radar equipment can be used to measure the bearing and distance to a known point of land, and you can use a sextant to measure the angle above the horizon to a star or planet.