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  2. Geodetic coordinates - Wikipedia

    en.wikipedia.org/wiki/Geodetic_coordinates

    Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).

  3. Geographic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate_system

    The circles of longitude, meridians, meet at the geographical poles, with the westeast width of a second naturally decreasing as latitude increases. On the Equator at sea level, one longitudinal second measures 30.92 m, a longitudinal minute is 1855 m and a longitudinal degree is 111.3 km. At 30° a longitudinal second is 26.76 m, at ...

  4. 37th meridian east - Wikipedia

    en.wikipedia.org/wiki/37th_meridian_east

    The meridian 37° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Europe, Asia, Africa, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole. The 37th meridian east forms a great circle with the 143rd meridian west.

  5. List of extreme points of U.S. states and territories - Wikipedia

    en.wikipedia.org/wiki/List_of_extreme_points_of...

    West Virginia border on the shore of the Tug Fork River near the KY-VA-WV tripoint 36°33′15″N 89°34′17″W  /  36.55417°N 89.57139°W  / 36.55417; -89 Missouri border on the Mississippi River at the Madrid Bar in the Kentucky Bend

  6. 37th parallel south - Wikipedia

    en.wikipedia.org/wiki/37th_parallel_south

    The 37th parallel south is a circle of latitude that is 37 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, the Indian Ocean, Australasia, the Pacific Ocean and South America. This parallel approximates that latitude at which solar irradiance equals the planetary average, [1] with higher insolation equatorward and ...

  7. 12th parallel south - Wikipedia

    en.wikipedia.org/wiki/12th_parallel_south

    The 12th parallel south is a circle of latitude that is 12 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, ...

  8. 37th parallel north - Wikipedia

    en.wikipedia.org/wiki/37th_parallel_north

    The 37th parallel north is a circle of latitude that is 37 degrees north of the Earth's equatorial plane. It crosses Europe, the Mediterranean Sea, Africa, Asia, the Pacific Ocean, North America, and the Atlantic Ocean. At this latitude the Sun is visible for 14 hours, 42 minutes during the summer solstice and 9 hours, 37 minutes during the ...

  9. 15th meridian east - Wikipedia

    en.wikipedia.org/wiki/15th_meridian_east

    The 15th meridian east forms a great circle with the 165th meridian west. The meridian is the central axis of time zones with the UTC+01:00 offset , including Central European Time [ 1 ] and West Africa Time .