Antarctic Circle  From Wikipedia, the free encyclopedia Jump to:
navigation, search A world map. The Antarctic Circle is shown as
the red line.  The Antarctic Circle is one of the five major
circles of latitude that mark maps of the Earth. It is the
parallel of latitude at 66° 33′ 39″ south of the Equator,
crossing mostly the Southern Ocean.  In the Antarctic Circle,
all places have twenty-four hours of daylight on the Summer
Solstice in December. In June on the Winter Solstice all places
have twenty-four hours of night. There is a minimum of one whole
day that the sun does not set and one whole day that the sun
does not rise.  The area south of this circle is named the
Antarctic, and the zone to the north is the Southern Temperate
Zone.  The continent of Antarctica is a land mass that is most
of the area within the Antarctic Circle. The South Pole is in
the center of the Antarctic Circle.  There is no permanent
population of persons south of the Antarctic Circle. There are
research centers from some nations