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  2. Nukemap - Wikipedia

    en.wikipedia.org/wiki/NUKEMAP

    Nukemap (stylised in all caps) is an interactive map using Mapbox [1] API and declassified nuclear weapons effects data, created by Alex Wellerstein, a historian of science at the Stevens Institute of Technology who studies the history of nuclear weapons. The initial version was created in February 2012, with major upgrades in July 2013, [2] [3 ...

  3. Studio zone - Wikipedia

    en.wikipedia.org/wiki/Studio_zone

    Interactive maps of the studio zone Coordinates: 34°04′33″N 118°22′36″W  /  34.07583°N 118.37667°W  / 34.07583; -118 The studio zone , also known as the thirty-mile zone ( TMZ ), is an area defined by a 30-mile (48 km) radius of "Hollywood" used by the American entertainment industry to determine employee benefits for work ...

  4. Web Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Web_Mercator_projection

    Web Mercator, Google Web Mercator, Spherical Mercator, WGS 84 Web Mercator [1] or WGS 84/Pseudo-Mercator is a variant of the Mercator map projection and is the de facto standard for Web mapping applications. It rose to prominence when Google Maps adopted it in 2005. [2] It is used by virtually all major online map providers, including Google ...

  5. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    Map projection. A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane.

  6. Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Mercator_projection

    Mercator 1569 world map ( Nova et Aucta Orbis Terrae Descriptio ad Usum Navigantium Emendate Accommodata) showing latitudes 66°S to 80°N. The Mercator projection ( / mərˈkeɪtər /) is a conformal cylindrical map projection presented by Flemish geographer and cartographer Gerardus Mercator in 1569.

  7. Earth radius - Wikipedia

    en.wikipedia.org/wiki/Earth_radius

    Earth radius (denoted as R🜨 or ) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) ( equatorial radius, denoted a) to a minimum of nearly 6,357 km (3,950 mi) ( polar radius, denoted b ).

  8. Web mapping - Wikipedia

    en.wikipedia.org/wiki/Web_mapping

    Web maps require the internet to host, so they are subject to link rot, making information inaccessible. Unlike physical maps, this can have major impacts on the historical record if the web map is the only source for the data it presents. Web mapping is also used in geography games, notably of which is GeoGuessr.

  9. Comparison of web map services - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_web_map_services

    Interactive maps Yes Yes Yes Yes Yes, in custom implementations e.g. via STAPPZ for Android: ... Map, satellite, terrain, 3D with plugin, 3D without plugin for ...