Portal:Geography
Introduction 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. Featured article
Amchitka was selected by the United States Atomic Energy Commission to serve as the site for underground detonations of nuclear weapons. Three such tests were carried out: Long Shot, an 80 kiloton blast in 1965; Milrow, a 1 megaton blast in 1969; and Cannikin in 1971 – at "under 5 megatons", the largest underground test ever conducted by the United States. The tests were highly controversial, with environmental groups fearing that the Cannikin explosion, in particular, would cause severe earthquakes and tsunamis. Amchitka is no longer used for nuclear testing, although it is being constantly monitored for the leakage of radioactive materials. In this month
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CategoriesWikiProjectsFeatured picture The Tadrart Acacus is a desert area in western Libya, part of the Sahara. The Acacus Mountains form a mountain range situated east of the Libyan city of Ghat and stretch north from the Algerian border about 100 km. Selected quoteMain articles
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