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  2. Hemispheres of Earth - Wikipedia

    en.wikipedia.org/wiki/Hemispheres_of_Earth

    The division of Earth by the Equator and the prime meridian Map roughly depicting the Eastern and Western hemispheres. In geography and cartography, hemispheres of Earth are any division of the globe into two equal halves (hemispheres), typically divided into northern and southern halves by the Equator and into western and eastern halves by the Prime meridian.

  3. Equator - Wikipedia

    en.wikipedia.org/wiki/Equator

    The Equator during the boreal winter, spanning from December to March. The equator is a circle of latitude that divides a spheroid, such as Earth, into the Northern and Southern hemispheres. On Earth, the Equator is an imaginary line located at 0 degrees latitude, about 40,075 km (24,901 mi) in circumference, halfway between the North and South ...

  4. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    Map is infinite in extent with outer hemisphere inflating severely, so it is often used as two hemispheres. Maps all small circles to circles, which is useful for planetary mapping to preserve the shapes of craters. c. 150 BC: Orthographic: Azimuthal Perspective Hipparchos* View from an infinite distance. 1740 Vertical perspective: Azimuthal ...

  5. Northern Hemisphere - Wikipedia

    en.wikipedia.org/wiki/Northern_Hemisphere

    Northern Hemisphere from above the North Pole. The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the Solar System as Earth's North Pole. [1]

  6. Southern Hemisphere - Wikipedia

    en.wikipedia.org/wiki/Southern_Hemisphere

    The most populous country in the Southern Hemisphere is Indonesia, with 275 million people (roughly 30 million of whom live north of the Equator on the northern portions of the islands of Sumatra, Borneo, and Sulawesi, as well as most of North Maluku, while the rest of the population lives in the Southern Hemisphere).

  7. Circle of latitude - Wikipedia

    en.wikipedia.org/wiki/Circle_of_latitude

    The equator is the circle that is equidistant from the North Pole and South Pole. It divides the Earth into the Northern Hemisphere and the Southern Hemisphere . Of the parallels or circles of latitude, it is the longest, and the only ' great circle ' (a circle on the surface of the Earth, centered on Earth's center).

  8. Equirectangular projection - Wikipedia

    en.wikipedia.org/wiki/Equirectangular_projection

    Equirectangular projection of the world; the standard parallel is the equator (plate carrée projection). Equirectangular projection with Tissot's indicatrix of deformation and with the standard parallels lying on the equator True-colour satellite image of Earth in equirectangular projection Height map of planet Earth at 2km per pixel, including oceanic bathymetry information, normalized as 8 ...

  9. Stereographic map projection - Wikipedia

    en.wikipedia.org/wiki/Stereographic_map_projection

    It subsequently saw frequent use throughout the seventeenth century with its equatorial aspect being used for maps of the Eastern and Western hemispheres. [2] In 1695, Edmond Halley, motivated by his interest in star charts, published the first mathematical proof that this map is conformal. [3]