Portal:Atlas

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The Atlas Portal

Political and physical world map from the end of 2005

An atlas is a collection of maps, traditionally bound into book form, but now most often found in multimedia formats. As well as geographic features and political boundaries, many often feature geopolitical, social, religious and economic statistics.

The first known book that could be called an atlas was constructed from the calculations of Claudius Ptolemy, a Greek geographer working in Alexandria circa A.D. 150. The first edition was published in Bologna in 1477 and was illustrated with a set of 27 maps, though scholars say that it is not known whether the printed maps were engraved versions of original maps made by Ptolemy, or whether they were constructed by medieval Greek scholars from Ptolemy's text.

Atlas of Greek mythology

The origin of the term atlas is a common source of misconception, perhaps because two different mythical figures named 'Atlas' are associated with mapmaking. King Atlas, a mythical King of Mauretania, was, according to legend, a wise philosopher, mathematician and astronomer who supposedly made the first celestial globe. However, the more widely known Atlas is a figure from Greek mythology.

An atlas is a collection of maps; it is typically a map of Earth or a region of Earth, but there are atlases of the other planets (and their satellites) in the Solar System. Furthermore, atlases of anatomy exist, mapping out the human body or other organisms.[1] Atlases have traditionally been bound into book form, but today many atlases are in multimedia formats. In addition to presenting geographic features and political boundaries, many atlases often feature geopolitical, social, religious and economic statistics. They also have information about the map and places in it

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Antarctica
Credit: NASA
Antarctica, the continent surrounding the Earth's South Pole, is the coldest place on earth and is almost entirely covered by ice. Antarctica was discovered in late January 1820. Too cold and dry to support virtually any vascular plants, Antarctica's flora presently consists of around 250 lichens, 100 mosses, 25-30 liverworts, and around 700 terrestrial and aquatic algal species.

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Hereford mappa mundi

Mappa mundi is a general term used to describe Medieval European maps of the world. These maps ranged in size and complexity from simple schematic maps an inch or less across, to elaborate wall maps, the largest of which was 11 ft. (3.5 m.) in diameter. The term derives from the Medieval Latin words mappa (cloth or chart) and mundi (of the world). Approximately 1,100 mappae mundi are known to have survived from the Middle Ages. Of these, some 900 are found illustrating manuscripts and the remainder exist as stand-alone documents.

To modern eyes, mappae mundi can look superficially primitive and inaccurate. However, mappae mundi were never meant to be used as navigational charts and they make no pretense of showing land and water proportionately. Rather, mappae mundi were schematic and were meant to illustrate different principles. The simplest mappae mundi were diagrams meant to preserve and illustrate classical learning easily.

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Ruysch's 1507 map of the world

Johannes Ruysch was an explorer, cartographer, astronomer, manuscript illustrator and painter from the Low Countries who produced a famous map of the world: the second oldest known printed representation of the New World. This Ruysch map was published and widely distributed in 1507.

In old documents Ruysch was sometimes called a Fleming or German, but he was likely born in Utrecht in the current Netherlands. It is thought that he accompanied John Cabot on his expedition to North America in 1497 and 1498. Ruysch's 1507 map of the world was included in the 1507 and 1508 southern editions of Ptolemy's Geographia, an atlas published in Rome.

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