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Great circle route, the shortest course between two points on the surface of a sphere. It lies in a plane that intersects the sphere’s centre and was known by mathematicians before the time of Columbus. Until the 19th century ships generally sailed along rhumb lines, which made use of prevailing.
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Other articles where course is discussed: navigation: …craft...
- Course
Great-circle navigation or orthodromic navigation (related to orthodromic course; from Ancient Greek ορθός (orthós) 'right angle', and δρόμος (drómos) 'path') is the practice of navigating a vessel (a ship or aircraft) along a great circle. Such routes yield the shortest distance between two points on the globe.
Great circle sailing takes advantage of this principle to plot the shortest route between two points on the surface of the Earth. If you were to draw a straight line between two points on a flat map, it wouldn’t follow the shortest path on the Earth’s curved surface.
5 lip 2019 · This route is called a geodesic or great circle. While map projections distort these routes confusing passengers, the great circle path is the shortest path between two far locations. This is why pilots fly polar routes saving time and distance .
Great Circle Route. The shortest distance between two points on a globe is not always a straight line—it’s an arc called a great circle. This complicates long-distance navigation. Rather than stay on a constant heading, pilots must regularly adjust their course to stay on the arc.
27 lis 2013 · INTRODUCTION. The shortest distance between any two non-antipodal points on a sphere's surface is the only great circle track (GCT) passing through them. The Earth can be considered as a sphere for obtaining the waypoints on the GCT by using great circle sailing (GCS).
To find the shortest route on a sphere, you need to use the so-called great circles. A great circle is the largest possible circle that can be drawn on a sphere, and can be defined as any circle that divides the sphere into two equal halves and is centered on the sphere's center.
