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South Pole
- The Antarctic (/ ænˈtɑːrtɪk / or / ænˈtɑːrktɪk /, American English also / æntˈɑːrtɪk / or / æntˈɑːrktɪk /; commonly / æˈnɑːrtɪk /) [Note 1] is a polar region around Earth 's South Pole, opposite the Arctic region around the North Pole.
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Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of 14,200,000 km 2 (5,500,000 sq mi).
Because Antarctica surrounds the South Pole, it is theoretically located in all time zones. For practical purposes, time zones are usually based on territorial claims or the time zone of a station's owner country or supply base.
The geography of Antarctica is dominated by its south polar location and, thus, by ice. The Antarctic continent, located in the Earth's southern hemisphere, is centered asymmetrically around the South Pole and largely south of the Antarctic Circle.
Imagine flying in a plane over Antarctica, the southernmost continent and the coldest and driest region on earth. From the air, you see that it covers a huge area, about 14 million square kilometers (5.4 million square miles), about half the size of the United States. Antarctica is just slightly larger than another continent in the southern ...
2 days ago · The term Antarctic region refers to all area—oceanic, island, and continental—lying in the cold Antarctic climatic zone south of the Antarctic Convergence, an important boundary around 55° S, with little seasonal variability, where warm subtropical waters meet and mix with cold polar waters (see also polar ecosystem).
The northern polar region consists mainly of floating and pack ice, 7–10 feet (2–3 m) thick, floating on the Arctic Ocean and surrounded by land masses. The ice cap of the southern polar region averages 6,700 feet (about 2,000 m) in thickness, is underlaid by the continental landmass of Antarctica, and is surrounded by oceans.
Lesser Antarctica, in fact, is part of the “ Ring of Fire,” a tectonically active area around the Pacific Ocean. Tectonic activity is the interaction of plates on Earth’s crust, often resulting in earthquakes and volcanoes. Mount Erebus, located on Antarctica’s Ross Island, is the southernmost active volcano on Earth.
