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Gnomonic Projection is used by navigators to plot great-circle routes.
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∙ 15y ago
Navigators use a Mercator projection chart to plot great circle routes. This chart allows them to draw a straight line, which represents the shortest distance between two points on a curved surface such as the Earth. By following this route, ships and planes can save time and fuel compared to following a rhumb line route.
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What is used by the navigators to plot great circle routes?
Usually a computer. Most navigators do not have the skill to do this by themselves any more.
Why do airline pilots use great-circle routes to plot airline flight paths?
Airline pilots use great circle routes to a plot airline flight paths because they are often the shortest distance between take off and destination. Great circle routes take into account the curvature of the Earth.
Why do airline pilots use great circle routes to a plot airline flight paths?
Airline pilots use great circle routes to a plot airline flight paths because they are often the shortest distance between take off and destination. Great circle routes take into account the curvature of the Earth.
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How much shorter is the great circle route then the straight route?
The great circle route is the shortest route.It is just that if you plot a great circle path on a flat map (unless it is the equator or a line of longitude) it will look bent - this is an artifact of map projection.The actual difference in route lengths depends on the routes you are comparing.---------------------------------------------------------------------------------------The great circle route is the shortest route between two locations on a "roughly" spherical object like the earth. It is in effect the straight line between two locations along the surface of a sphere.By the straight route - I assume you mean a straight line on a 2D map. This usually does not coincide with the great circle route. The difference in length between a so-called straight route and a great circle route would then vary based on both the map projection selected and the location of the two endpoints of the journey.-----------------------------------------------------------------------------The SHORTEST line between two points on a sphere IS a GREAT CIRCLE.Also, by definition, the shortest line between two points IS the straight route.
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The Mercator projection made life easier for early navigators because they could plot their compass bearings as straight lines What type of projection is a Mercator projection?
cylindrical
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The Mercator projection made life easier for early navigators because they could plot their compass bearings north south east and west as straight lines What type of projection is a Mercator project?
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