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Antarctica is based on the Earth's rotation to determine the most southern point. It is usually said that the Antarctic region geographically, there is a fixed position. In accordance with the internationally accepted concept, 66.5 degrees south latitude (the Antarctic Circle) south of the region known as the Antarctic, which is the Southern Ocean and the Antarctic continent and the islands collectively, with a total area of about 65 million square kilometres.
Antarctic continent except Antarctica is outside the surrounding islands of land, is the world's latest discovery of the continent, alone at the southernmost tip of the Earth. Antarctica more than 95 percent of the area of high thickness of the ice and snow coverage, known as the "white continent," said. 6 in the world in the mainland, the mainland Antarctica than Australia, ranked No. 5. Antarctica and Australia mainland is the world's only ocean surrounded by two mainland, surrounded by the Pacific, Atlantic, Indian Ocean, forming a huge water around the Earth laps, was completely closed state (see Southern Ocean), is a far from the other continents, completely cut off from the civilized world and the mainland, has not yet permanent residents, only a small number of scientific investigation personnel rotation in a small number of inspection stations temporary residence and work.
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