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(That is, the reciprocal of the cosine of the latitude become infinite). He therefore uses a completely different projection for the inset map of the north polar regions: an azimuthal equidistant projection. It took many years for Mercator's projection to gain wider acceptance. The following gallery shows the first maps in which it was employed.
Converting ruler distance on the Mercator map into true (great circle) distance on the sphere is straightforward along the equator but nowhere else. One problem is the variation of scale with latitude, and another is that straight lines on the map ( rhumb lines ), other than the meridians or the equator, do not correspond to great circles.
The more common school follows historical convention and treats Europe and Asia as different continents, categorizing East Asia, South Asia, and the Middle East as specific regions for more detailed analysis. Other schools equate the word "continent" to geographical "region" when referring to Europe and Asia in terms of physical geography.
A single Spanish islet, known as Alboran Island, is also debatably located on either the African Plate or the Eurasian Plate. [17] This island is located in the Alboran Sea, 50 km (31 mi) north of the Moroccan coast and 90 km (56 mi) south of Spain.
A diagram illustrating great-circle distance (drawn in red) between two points on a sphere, P and Q. Two antipodal points, u and v are also shown. The great-circle distance, orthodromic distance, or spherical distance is the distance between two points on a sphere, measured along the great-circle arc between them. This arc is the shortest path ...
The De Virga world map was made by Albertinus de Virga between 1411 and 1415. Albertin de Virga, a Venetian, is also known for a 1409 map of the Mediterranean, also made in Venice. The world map is circular, drawn on a piece of parchment 69.6 cm × 44 cm (27.4 in × 17.3 in). It consists of the map itself, about 44 cm (17 in) in diameter, and ...
The De Virga world map (1411–1415) The De Virga world map was made by Albertinus de Virga between 1411 and 1415. The map contains a mention in small letters: "A. 141.. Albertin diuirga me fecit in vinexia" "Made by Albertinius de Virga in Venice in 141.." (the last digit of the date is erased by a fold in the map)
The Iberian Peninsula (IPA: / aɪ ˈ b ɪər i ə n / eye-BEER-ee-ən), [a] also known as Iberia, [b] is a peninsula in south-western Europe.Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of Peninsular Spain [c] and Continental Portugal, comprising most of the region, as well as the tiny adjuncts of Andorra, Gibraltar, and, pursuant to the ...