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Detail from Gerardus Mercator's map of the Arctic (c. 1620 edition), showing the Rupes Nigra at the North Pole ('POLVS ARCTICVS'), surrounded by four large islands. The Rupes Nigra ("Black Rock"), a phantom island, was believed to be a black rock located at the Magnetic North Pole or at the geographic North Pole itself.
Mercator's map from 1595 showing the mythical Arctic continent, with the "Rupes nigra et altissima" ('black and highest rock') at its centre. The Rock is the site of the North Pole, captioned as the POLVS ARCTICVS. Gerardus Mercator's world map of 1569 reflects his reading of Cnoyen's Itinerarium.
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According to certain authors, the Jabal Qaf of Muslim cosmology is a version of Rupes Nigra, a mountain whose ascent —such as Dante's climbing of the Mountain of Purgatory, represents the pilgrim's progress through spiritual states. [8]
The map also shows the 75th parallel north and 60th parallel north. Temporary research station of German-Swiss expedition on the sea ice at the Geographic North Pole. Drillings at the landing site at 90°N showed an average ice thickness of 2.5 metres (8.2 feet) on April 16, 1990 This pressure ridge at the North Pole is about 1 km (0.62 mi ...
Mercator's 1569 map was a large planisphere, [3] i.e. a projection of the spherical Earth onto the plane. It was printed in eighteen separate sheets from copper plates engraved by Mercator himself. [4]
Castelnuovo Nigra, a comune (municipality) in the Province of Turin in the Italian region Piedmont; Porta Nigra, a large Roman city gate in Trier, Germany; Rupes Nigra, a phantom island, was believed to be a 33-mile-wide magnetic island of black rock located at the Magnetic North Pole
Rupes / ˈ r uː p ɪ s / (plural / ˈ r uː p iː z /) [1] is the Latin word for 'cliff'. It is used in planetary geology to refer to escarpments on other worlds. As of January 2013, the IAU has named 62 such features in the Solar System, on Mercury (17), Venus (7), the Moon (8), Mars (23), the asteroids Vesta (2) and Lutetia (2), and Uranus's satellites Miranda (2) and Titania (1).