Spherical/Riemann geometry

HallsofIvy

No, it wouldn't be. A "great circle" is the shortest distance between two points on a sphere. That's the crucial point that makes a great circle the choice for a "straight line".

HallsofIvy Recognitions: Gold Member Science Advisor Staff Emeritus	Spherical/Riemann geometry No, it wouldn't be. A "great circle" is the shortest distance between two points on a sphere. That's the crucial point that makes a great circle the choice for a "straight line".