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The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy 's book Geography , written c. 150 . Based on an inscription in several of the earliest surviving manuscripts, it is traditionally credited to Agathodaemon of Alexandria .
C.A. Nallino suggests that the work was not based on Ptolemy but on a derivative world map, [40] presumably in Syriac or Arabic. [38] The coloured map of al-Maʾmūm constructed by a team including al-Khwārazmī was described by the Persian encyclopædist al-Masʿūdī around 956 as superior to the maps of Marinus and Ptolemy, [ 41 ] probably ...
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 ...
N2YO provides real time tracking and pass predictions with orbital paths and footprints overlaid on Google Maps. [6] It features an alerting system that automatically notifies users via SMS and/or email before International Space Station crosses the local sky. The N2YO.com system powers ESA's, Space.com's and many other's satellite tracking web ...
A Byzantine Greek copy of Ptolemy's 4th Asia map. From Codex Vaticanus Urbinas Graecus 82, Constantinople c. 1300. Probably assembled by Maximus Planudes; later in possession of Palla Strozzi (1372-1462) then with Federico da Montefeltro, Duke of Urbino.
Because of the author's apparent cartographic training, he redrew some of the maps to better conform to contemporary map-making practices. This codex improves on Ptolemy's equi-rectangular and orthographic projections but was written before the publication of the new Mercator projection ; re-creating and improving Ptolemy's regional maps ...
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In the upper-mid part of the main map there is inset another, miniature world map representing to some extent an alternative view of the world. Longitudes , which were difficult to determine at the time, are given in terms of degrees east from the Fortunate Islands (considered by Claudius Ptolemy as the westernmost known land) which ...