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The history of Antarctica emerges from early Western theories of a vast continent, known as Terra Australis, believed to exist in the far south of the globe. The term Antarctic , referring to the opposite of the Arctic Circle , was coined by Marinus of Tyre in the 2nd century AD.
Left to right: Roald Amundsen, Helmer Hanssen, Sverre Hassel and Oscar Wisting after first reaching the South Pole on 16 December 1911. The Heroic Age of Antarctic Exploration was an era in the exploration of the continent of Antarctica which began at the end of the 19th century, and ended after the First World War; the Shackleton–Rowett Expedition of 1921–1922 is often cited by historians ...
2012 – Felicity Aston becomes the first person to ski alone across Antarctica using only personal muscle power, as well as the first woman to cross Antarctica alone. [ 37 ] [ 38 ] Her journey began on 25 November 2011, at the Leverett Glacier , and continued for 59 days and a distance of 1,744 km (1,084 mi).
Antarctica holds the record for the lowest measured temperature on Earth, −89.2 °C (−128.6 °F). The coastal regions can reach temperatures over 10 °C (50 °F) in the summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where vegetation occurs, it is mostly in the form of lichen or moss.
The Antarctic Circle is the northernmost latitude in the Southern Hemisphere at which the centre of the sun can remain continuously above the horizon for twenty-four hours; as a result, at least once each year at any location within the Antarctic Circle the centre of the sun is visible at local midnight, and at least once the centre of the sun is below the horizon at local noon.
Scientists from the British Antarctic Survey found that warm ocean water is seeping beneath the ice sheet at its “grounding line” — the point at which the ice rises from the seabed and ...
Roald Engelbregt Gravning Amundsen (UK: / ˈ ɑː m ʊ n d s ən /, US: /-m ə n s-/; [3] [4] Norwegian: [ˈrùːɑɫ ˈɑ̂mʉnsən] ⓘ; 16 July 1872 – c. 18 June 1928) was a Norwegian explorer of polar regions. He was a key figure of the period known as the Heroic Age of Antarctic Exploration.
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