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How does traveling a great circle route make a trip shorter than by going in a straight line? |
Travel Info How does traveling a great circle route make a trip shorter than by going in a straight line? Travel Tips It has to do with the curvature of the Earth. Try it out on a globe. Start with a string or threat. If you take the string and go straight from New York to London and measure it, then again if you curve the string north over Canada and Greenland from New York to London, you will find that the curved path is shorter by a large amount. Others Dont know what you are asking, do you mean driving around town? some towns have ring roads that are freeways and don't have lights, so it is often faster than thru town with lights. If you mean flying around the globe, what looks like a straight line may in fact be a curve and other paths that look curved are straight lines, the problem is trying to depict a 3d object on a flat map. perhaps you can give us a few more details of what you are asking. If you are on a sphere. the great circle will be shorter than a straight line you could draw. I am not sure it's not shorter but quicker as you avoid the city/vally area The great circle route is the shortest distance between 2 points on a globe. This is because the distance over the curvature of the globe is taken into account and thus gives you the shortest possible route. By just plotting 2 points on the globe and drawing a straight line will not give you the shortest distance, unless you are plotting along the longitudes or the equator, which all follows the great circle route. Enough confusion for you? |
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