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  2. Geographical centre of Earth - Wikipedia

    en.wikipedia.org/wiki/Geographical_centre_of_Earth

    Shift of the world's economic center of gravity since 1980 and projected until 2050 [7] Various definitions of geographical centres exists. The definitions used by the references in this article refer to calculations within the 2 dimensions of a surface, mainly as the surface of Earth is the domain of human cultural existence.

  3. Geographic center of the United States - Wikipedia

    en.wikipedia.org/wiki/Geographic_center_of_the...

    The geographic center of the 48 contiguous or conterminous United States, determined in a 1918 survey, is located at , about 2.6 miles (4.2 km) northwest of the center of Lebanon, Kansas, approximately 12 miles (19 km) south of the Kansas–Nebraska border

  4. List of geographic centers of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_geographic_centers...

    The exact geographic center of the U.S. Virgin Islands is unknown — the default center starting point for the U.S. Virgin Islands on Google Maps is located in the Caribbean Sea, [15] 18.21 miles (29.30 km) south-southeast of Saint Thomas and 18.31 miles (29.47 km) north of Saint Croix — note that this point is the approximate center of the ...

  5. Geographical centre - Wikipedia

    en.wikipedia.org/wiki/Geographical_centre

    In geography, the centroid of the two-dimensional shape of a region of the Earth's surface (projected radially to sea level or onto a geoid surface) is known as its geographic centre or geographical centre or (less commonly) gravitational centre.

  6. List of extreme points of the United States - Wikipedia

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

    Geographic center of the 48 contiguous states: approximately 4 miles (6.4 km) west of Lebanon, Kansas The geographic center of North America is at 48°10′N 100°10′W  /  48.167°N 100.167°W  / 48.167; -100.167  ( Geographic center of the North American continent ) , about 6 miles (10 km) west of Balta , in Pierce County, Nort

  7. Geographic contiguity - Wikipedia

    en.wikipedia.org/wiki/Geographic_contiguity

    Geographic contiguity is the characteristic in geography of political or geographical land divisions, as a group, not being interrupted by other land or water. Such divisions are referred to as being contiguous. In the United States, for example, the "48 contiguous states" excludes Hawaii and Alaska, which do not share borders with other U.S ...

  8. List of political and geographic subdivisions by total area ...

    en.wikipedia.org/wiki/List_of_political_and...

    Old World: 84,980,532: The world known to its population before contact with the "New World" (the Americas). Afro-Eurasia: 84,211,532: Largest contiguous landmass. Holarctic: 77,000,000: Biogeographic realm that encompasses the majority of habitats found throughout the northern continents of the world. Atlantic Ocean excluding adjacent seas ...

  9. Continent - Wikipedia

    en.wikipedia.org/wiki/Continent

    In the mid-17th century, Peter Heylin wrote in his Cosmographie that "A Continent is a great quantity of Land, not separated by any Sea from the rest of the World, as the whole Continent of Europe, Asia, Africa." In 1727, Ephraim Chambers wrote in his Cyclopædia, "The world is ordinarily divided into two grand continents: the Old and the New."