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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). Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of 1.9 km (1.2 mi).
The Arctic Ocean occupies a roughly circular basin and covers an area of about 14,056,000 km 2 (5,427,000 sq mi), almost the size of Antarctica. [14] [15] The coastline is 45,390 km (28,200 mi) long. [14] [16] It is the only ocean smaller than Russia, which has a land area of 16,377,742 km 2 (6,323,482 sq mi).
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. It is washed by the Southern (or Antarctic) Ocean or, depending on definition, the southern ...
A map of the Antarctic region, including the Antarctic Convergence and the 60th parallel south The Antarctic Plate. The Antarctic (/ æ n ˈ t ɑːr t ɪ k / or / æ n ˈ t ɑːr k t ɪ k /, American English also / æ n t ˈ ɑːr t ɪ k / or / æ n t ˈ ɑːr k t ɪ k /; commonly / æ ˈ n ɑːr t ɪ k /) [Note 1] is a polar region around Earth's South Pole, opposite the Arctic region around ...
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The Arctic wolf ( Canis lupus arctos ), also known as the white wolf, polar wolf, and the Arctic grey wolf, is a subspecies of grey wolf native to the High Arctic tundra of Canada's Queen Elizabeth Islands, from Melville Island to Ellesmere Island. [ 3][ 4] Unlike some populations that move between tundra and forest regions, [ 5] Arctic wolves ...
Antarctic Circle. Coordinates: 66°33′50″S 0°0′0″W. Map of the Antarctic with the Antarctic Circle in blue. The Antarctic Circle is the most southerly of the five major circles of latitude that mark maps of Earth. The region south of this circle is known as the Antarctic, and the zone immediately to the north is called the Southern ...
The geology of Antarctica covers the geological development of the continent through the Archean, Proterozoic and Phanerozoic eons . The geological study of Antarctica has been greatly hindered by the fact that nearly all of the continent is continuously covered with a thick layer of ice. However, techniques such as remote sensing have begun to ...