Various such as Mercator 's projectionProjection methodYou can see how much deformed it is compared with the actual terrain while comparing 2D maps using 3D globe with "Visualizing map distortion"is.
The Brighterside of News on MSN
Global maps can distort the way people view the world
Cartographers rely on the authority of maps to communicate locations, guide navigation at sea, and shape people’s perceptions ...
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