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Antarctica                             Satellite viewClick to advance …
Antarctica is Earths southernmost continent, underlying theSouth Pole. It is situated in the Antarctica region of thesouth...
Temperatures reach:-a minimum of between −80 °C and −90 °C (−112 °F and −130 °F)in the interior in winter- a maximum of be...
This photo has been taken at Amundsen-ScottSouth Pole Station during the long Antarcticnight. The station can be seen at f...
Last slide , click to exit
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Antarctica

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Transcript of "Antarctica"

  1. 1. Antarctica Satellite viewClick to advance …
  2. 2. Antarctica is Earths southernmost continent, underlying theSouth Pole. It is situated in the Antarctica region of thesouthern hemisphere, almost entirely south of the AntarcticCircle, and is surrounded by the Southern Ocean.About 98% of Antarctica is covered by ice, which averagesat least 1.6 kilometres (1.0 mi) in thickness. Antarctica is thecoldest, driest, and windiest continent, and has the highestaverage elevation of all the continents.Antarctica is considered a desert, with annual precipitation ofonly 200 mm (8 inches) along the coast and far less inland.There are no permanent human residents but anywhere from1,000 to 5,000 people reside throughout the year at theresearch stations scattered across the continent. Only cold-adapted plants and animals survive there, includingpenguins, seals, mosses, lichen, and many types of algae.
  3. 3. Temperatures reach:-a minimum of between −80 °C and −90 °C (−112 °F and −130 °F)in the interior in winter- a maximum of between 5 °C and 15 °C (41 °F and 59 °F) nearthe coast in summer.-Sunburn is often a health issue as the snow surface reflectsalmost all of the ultraviolet light falling on it. The auroraaustralis, commonly known as the southern lights, is a glowobserved in the night sky near the South Pole created by theplasma-full solar winds that pass by the Earth. Another uniquespectacle is diamond dust, a ground-level cloud composed of tinyice crystals.
  4. 4. This photo has been taken at Amundsen-ScottSouth Pole Station during the long Antarcticnight. The station can be seen at far left, thepower plant in the center and the mechanicsgarage in the lower right.The green light in the background is the AuroraAustralis.
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