Antarctic Circle


Also found in: Dictionary, Wikipedia.
Related to Antarctic Circle: International Date Line

Antarctic Circle,

imaginary circle on the surface of the earth at 66 1-2°S lat., i.e., 23 1-2° north of the South Pole. It marks the southernmost point at which the sun can be seen at the winter solsticesolstice
[Lat.,=sun stands still], in astronomy, either of the two points on the ecliptic that lie midway between the equinoxes (separated from them by an angular distance of 90°).
..... Click the link for more information.
 (about June 22) and the northernmost point of the southern polar regions at which the midnight sunmidnight sun,
phenomenon in which the sun remains visible in the sky continuously for 24 hr or longer, occurring only in the polar regions. The midnight sun is due to the fact that the plane of the earth's equator is tilted about 23 1-2° to the plane of the ecliptic (the
..... Click the link for more information.
 is visible.

Antarctic Circle

[‚ant′ärd·ik ′sər·kəl]
(geodesy)
The parallel of latitude approximately 66°32′ south of the Equator.

Antarctic Circle

the imaginary circle around the earth, parallel to the equator, at latitude 66° 32ʹ S; it marks the southernmost point at which the sun appears above the level of the horizon at the winter solstice
References in periodicals archive ?
Charles' magnificent photos show, the day they crossed the Antarctic Circle was something truly special.
Answers: 1) Gainsborough, 2) A derby, 3) Nave, 4) Blackbeard, 5) Lakes, 6) James Joyce, 7) Antarctic Circle, 8) 23, 9) 15, 10) Hugh Lofting.
Captain James Cook sailed into the Antarctic Circle and began investigations of the southern ocean, but it was the Russian Fabian Bellingshausen who first sighted the Antarctic land mass in 1820.
The areas between the Tropic of Cancer and the Arctic Circle and between the Tropic of Capricorn and the Antarctic Circle represent the limits as far as their cold endurance goes, a scientist reports in Nature (Oct.
Endless Sea: Alone Around Antarctica--as Far South as a Boat Can Sail" the story of Amyr Klink, who by his lonesome voyaged deep into the Antarctic circle and survived to tell of it.
1773 Captain Cook's Resolution became the first ship to cross the Antarctic Circle.
The agreement was formulated in Renaca, Chile, and will affect roughly a quarter of the world's high seas, from the Equator to the Antarctic Circle and from Australia to South America.
Pierce spent $20,000 on travel and training to run in Antarctica in January on a course within the Antarctic Circle and at 3,000 feet elevation.
95), charting the journeys of early explorers who risked their lives to cross the Antarctic Circle.
Fighting icebergs, near-frozen water, penguin poop, freezing temperatures, exhaustion and the aftereffects of homemade Ukrainian vodka, they managed to paddle to the Antarctic Circle.
From the cold, eternal beauty of the Antarctic Circle to hot, ephemeral nights in Buenos Aires, Argentina offers gay and lesbian travelers a wealth of experiences.
1773: Captain Cook's Resolution became the first ship to cross the Antarctic Circle 1934: A 500 carat diamond was found near Pretoria in South Africa, rumoured to be the stolen half of the famous Cullinan diamond, found in 1905.
Full browser ?