Great-circle navigation is a method used in air and sea navigation that follows the shortest path between two points on the surface of a sphere. This path is called a great circle, which is the intersection of the surface of the sphere with a plane that passes through the center of the sphere. In practical terms, when plotted on a flat map, great circles appear as curved lines due to the spherical nature of the Earth.

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  1. Navigation
  2. Geodesy
  3. Applied mathematics
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