SOLAR SYSTEM

Detailed explanation-1: -A geodesic line is the shortest path between two points on a curved surface, like the Earth. They are the analogue of a straight line on a plane surface or whose sectioning plane at all points along the line remains normal to the surface.

Detailed explanation-2: -The most familiar examples are the straight lines in Euclidean geometry. On a sphere, the images of geodesics are the great circles. The shortest path from point A to point B on a sphere is given by the shorter arc of the great circle passing through A and B.

Detailed explanation-3: -The geodesic is the intersection of the sphere with a plane through its center connecting the two points on its surface – a great circle.

Detailed explanation-4: -Formally, the geodesic distance between two vertices is the length in terms of the number of edges of the shortest path between the vertices. For two vertices that are not connected in a graph, the geodesic distance is defined as infinite.

Detailed explanation-5: -There is a substantial difference between the two: Geodesy is basically geographical surveying and measurement, often at a large scale and including longitude and latitude issues, while a Geodesic is about extending some properties of straight lines to curved and other spaces.