Contract Life: Quick tour of Amundsen-Scott South Pole Station, Antarctica
The Amundsen–Scott Station is located at the South Pole, the southernmost place on the Earth. It is the only place on the land surface of the Earth where the sun is continuously up for six months and then continuously down for six months. (The only other such place is at the North Pole, on the sea ice in the middle of the Arctic Ocean.) Thus, during each year, this station experiences one extremely long "day" and one extremely long "night". During the six-month "day", the angle of elevation of the Sun above the horizon varies continuously. The sun rises on the September equinox, reaches its maximum angle above the horizon on the summer solstice in the Southern Hemisphere, around December 20, and sets on the March equinox.
During the six-month "night", it gets extremely cold at the South Pole, with air temperatures sometimes dropping below −73 °C (−99 °F). This is also the time of the year when blizzards, sometimes with gale-force winds, strike the Amundsen–Scott Station. The continuous period of darkness and dry atmosphere make the station an excellent place from which to make astronomical observations, although the moon is up for two weeks of every 27.3 days.
The number of scientific researchers and members of the support staff housed at the Amundsen–Scott Station has always varied seasonally, with a peak population of about 200 in the summer operational season from October to February. In recent years the winter-time population has been around 50 people.
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