From prehistory through the Middle ages, creating an accurate world map would have been impossible because less than half of Earth's coastlines and only a small fraction of its continental interiors were known to any culture. Ĭharting a world map requires global knowledge of the earth, its oceans, and its continents.
Many techniques have been developed to present world maps that address diverse technical and aesthetic goals. While this is true of any map, these distortions reach extremes in a world map. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the earth. World maps, because of their scale, must deal with the problem of projection. For other uses, see World map (disambiguation).Ī world map on the Winkel tripel projection,Ī low-error map projection adopted by the National Geographic Society for reference maps NASA's Blue Marble Next Generation, a composite of cloud-free satellite images.Ī world map is a map of most or all of the surface of Earth.
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