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The shortest distance between two geographical points is the great-circle distance. In the example ... Flight-time and -distance calculator; Air Miles Calculator;
A diagram illustrating great-circle distance (drawn in red) between two points on a sphere, P and Q. Two antipodal points, u and v are also shown. The great-circle distance, orthodromic distance, or spherical distance is the distance between two points on a sphere, measured along the great-circle arc between them. This arc is the shortest path ...
August 16, 1989 (): The first Qantas Boeing 747-400, VH-OJA, the City of Canberra, set a non-stop distance record for a commercial aircraft by flying 17,039 kilometres (10,588 mi; 9,200 nmi), [138] covering a great circle distance of 17,016 kilometres (10,573 mi; 9,188 nmi) between London and Sydney in 20 hours, 9 minutes. The purpose was to ...
Geographical distance or geodetic distance is the distance measured along the surface of the Earth, or the shortest arch length. The formulae in this article calculate distances between points which are defined by geographical coordinates in terms of latitude and longitude. This distance is an element in solving the second (inverse) geodetic ...
The haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes.Important in navigation, it is a special case of a more general formula in spherical trigonometry, the law of haversines, that relates the sides and angles of spherical triangles.
The average person takes thousands of breaths a day but probably doesn't think about the quality of the air he or she is breathing. Residents of New York City, you should be particularly concerned ...
The culprit: a blast of cold Arctic air. The weather event kicks off meteorological winter , which starts on Dec. 1. Of course, astronomical winter begins on Dec. 21, the winter solstice .
When the cities are viewed as points in the plane, many natural distance functions are metrics, and so many natural instances of TSP satisfy this constraint. The following are some examples of metric TSPs for various metrics. In the Euclidean TSP (see below), the distance between two cities is the Euclidean distance between the corresponding ...