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  2. Earth ellipsoid - Wikipedia

    en.wikipedia.org/wiki/Earth_ellipsoid

    A data set which describes the global average of the Earth's surface curvature is called the mean Earth Ellipsoid. It refers to a theoretical coherence between the geographic latitude and the meridional curvature of the geoid. The latter is close to the mean sea level, and therefore an ideal Earth ellipsoid has the same volume as the geoid.

  3. List of satellite pass predictors - Wikipedia

    en.wikipedia.org/wiki/List_of_satellite_pass...

    Offline since April 2010, replaced by NASA Skywatch web application. [4] NASA Skywatch, Java based web application. Predicts visible passes for spacecraft, satellites and space debris. [5] AMSAT Online Satellite Pass Predictions. N2YO provides real time tracking and pass predictions with orbital paths and footprints overlaid on Google Maps. [6]

  4. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    The Google Earth API was a free beta service, allowing users to place a version of Google Earth into web pages. The API enabled sophisticated 3D map applications to be built. [ 85 ] At its unveiling at Google's 2008 I/O developer conference, the company showcased potential applications such as a game where the player controlled a milktruck atop ...

  5. NASA WorldWind - Wikipedia

    en.wikipedia.org/wiki/NASA_Worldwind

    Dapple [14] is a fork of the NASA WorldWind project, it is an Open Source project created by developers at Geosoft. Dapple is aimed at geoscience professionals, and has features aimed at them, such as easy addition of WMS servers and a simpler UI very similar to Google Earth's.

  6. Comparison of web map services - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_web_map_services

    Google Maps Bing Maps MapQuest Mapy.cz OpenStreetMap Here WeGo Apple Maps Yandex Maps; Degrees of motion Vertical, horizontal, depth, rotation (beta), 360 panoramic (Street View), 3D mode (Google Earth JavaScript) Vertical, horizontal, depth, 360 panoramic (Streetside), 3D mode (tilt, pan, rotate) Vertical, horizontal, depth

  7. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    The two straight-line distances from any point on the map to the two control points are correct. 2021 Gott, Goldberg and Vanderbei’s Azimuthal Equidistant J. Richard Gott, Dave Goldberg and Robert J. Vanderbei: Gott, Goldberg and Vanderbei’s double-sided disk map was designed to minimize all six types of map distortions.

  8. Earth3D - Wikipedia

    en.wikipedia.org/wiki/Earth3D

    Marble, a free software of a virtual globe that allows the user to choose among the Earth, the Moon, Venus, Mars and other planets. World Wind, virtual Earth globe open-source developed by NASA. OpenStreetMap, collaborative project to create free and editable maps. Comparison of web map services; Neogeography

  9. Meridian arc - Wikipedia

    en.wikipedia.org/wiki/Meridian_arc

    In the 19th century, many astronomers and geodesists were engaged in detailed studies of the Earth's curvature along different meridian arcs. The analyses resulted in a great many model ellipsoids such as Plessis 1817, Airy 1830, Bessel 1841, Everest 1830, and Clarke 1866. [31] A comprehensive list of ellipsoids is given under Earth ellipsoid.