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True-color image of the Earth's surface and atmosphere. NASA Goddard Space Flight Center image.
True-color image of the Earth's surface and atmosphere. NASA Goddard Space Flight Center image.
Physical map of Earth with political borders as of 2016

Geography (from Greek: γεωγραφία, geographia, literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and phenomena of the Earth and planets. The first person to use the word γεωγραφία was Eratosthenes (276–194 BC). Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities—not merely where objects are, but also how they have changed and come to be.

Geography is often defined in terms of two branches: human geography and physical geography. Human geography deals with the study of people and their communities, cultures, economies, and interactions with the environment by studying their relations with and across space and place. Physical geography deals with the study of processes and patterns in the natural environment like the atmosphere, hydrosphere, biosphere, and geosphere.

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Canberra is the capital city of Australia and with a population of just over 323,000 is Australia's largest inland city. Canberra was selected as the location of the nation's capital in 1908 as a compromise between Sydney and Melbourne and is unusual amongst Australian capital cities as an entirely purpose-built, planned city. Following an international contest for the city's design, a design by Chicago architect Walter Burley Griffin was selected and construction commenced in 1913. Although the growth and development of Canberra was hindered by the World Wars and the Great Depression, it emerged as a thriving city post-World War II. As Australia's seat of government, Canberra is the site of Parliament House, the High Court of Australia and numerous government departments; it is also the location of numerous social and cultural institutions of national significance. The federal government contributes the largest percentage of Gross State Product and is the largest employer in Canberra. Canberra is also a popular destination for domestic and international tourists.

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February–March 2007 tornado outbreak

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Hesse, Germany

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Title page Certaine Errors in Navigation
Edward Wright was an English mathematician and cartographer noted for his book Certaine Errors in Navigation, which for the first time explained the mathematical basis of the Mercator projection, and set out a reference table giving the linear scale multiplication factor as a function of latitude, calculated for each minute of arc up to a latitude of 75°. This was the essential step needed to make practical both the making and the navigational use of Mercator charts. In 1589 Elizabeth I requested that he carry out navigational studies with an expion organised by the Earl of Cumberland. The expion's route was the subject of the first map to be prepared according to Wright's projection, which was published in Certaine Errors in 1599. The same year, Wright created and published the first world map produced in England and the first to use the Mercator projection since Gerardus Mercator's original 1569 map. Apart from a number of other books and pamphlets, Wright translated John Napier's pioneering 1614 work which introduced the idea of logarithms from Latin into English. Wright's work influenced, among other persons, Dutch astronomer and mathematician Willebrord Snellius; Adriaan Metius, the geometer and astronomer from Holland; and the English mathematician Richard Norwood.



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Shasta Dam
Cr: Photo: Russell Lee, FSA-OWI; Restoration: Chick Bowen

Shasta Dam, an arch dam across the Sacramento River at the north end of the Sacramento Valley, California, during its construction in June 1942. The dam mainly serves long-term water storage and flood control in its reservoir, Shasta Lake, and also generates hydroelectric power. At 602 ft (183 m) high, it is the ninth-tallest dam in the United States and forms the largest reservoir in California.

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Horace Walpole
Horace Walpole, letter to Sir Horace Mann (1774)

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