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2. World map - Wikipedia

   en.wikipedia.org/wiki/World_map

   A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.

3. List of map projections - Wikipedia

   en.wikipedia.org/wiki/List_of_map_projections

   Gott, Goldberg and Vanderbei’s double-sided disk map was designed to minimize all six types of map distortions. Not properly "a" map projection because it is on two surfaces instead of one, it consists of two hemispheric equidistant azimuthal projections back-to-back. [5] [6] [7] 1879 Peirce quincuncial: Other Conformal Charles Sanders Peirce

4. Gall–Peters projection - Wikipedia

   en.wikipedia.org/wiki/Gall–Peters_projection

   In 1989 and 1990, after some internal debate, seven North American geographic organizations adopted a resolution rejecting all rectangular world maps, a category that includes both the Mercator and the Gall–Peters projections, [20] [21] though the North American Cartographic Information Society notably declined to endorse it.

5. Map projection - Wikipedia

   en.wikipedia.org/wiki/Map_projection

   [1] [2] [3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [4] [5] Projection is a necessary step in creating a two-dimensional map and is one of the essential elements of cartography.

6. AuthaGraph projection - Wikipedia

   en.wikipedia.org/wiki/AuthaGraph_projection

   An approximation of the AuthaGraph projection. AuthaGraph is an approximately equal-area world map projection invented by Japanese architect Hajime Narukawa [1] in 1999. [2] The map is made by equally dividing a spherical surface into 96 triangles, transferring it to a tetrahedron while maintaining area proportions, and unfolding it in the form of a rectangle: it is a polyhedral map projection.

7. List of tectonic plates - Wikipedia

   en.wikipedia.org/wiki/List_of_tectonic_plates

   Map showing Earth's principal tectonic plates and their boundaries in detail These plates comprise the bulk of the continents and the Pacific Ocean . For purposes of this list, a major plate is any plate with an area greater than 20 million km 2 (7.7 million sq mi)