Antarctic Circle


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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°).
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 (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
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 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 ?
"So we now know that tetrapods, by the end of the Devonian lived all over the world, from the tropics to the Antarctic circle. So it's possible that they originated anywhere and that they could have moved onto land anywhere.
To reach the Antarctic circle, you'd be passing the Drake Passage where you can witness the sharp profile of the South Shetland Archipelago and catch fur seals and papua penguins.
It is situated in the Antarctic region of the Southern Hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean.
They visited six of the seven continents, including going above the Arctic Circle and below the Antarctic Circle. Carol loved nature and being outdoors.
As it turns out, there was no such entity--only the great ice mass beyond the Antarctic circle, which did in fact, secretly house the yearned for land mass, but at a lower degree of latitude than envisaged.
In other words, the origin of the cold air is still the outer reaches of the Antarctic circle, but the local driver now feeds it from the east creating those typical frosty mornings in Omaheke with cold flowing in from Botswana.
While TRMM measured precipitation in the tropics, the GPM Core Observatory expands the coverage area from the Arctic Circle to the Antarctic Circle. GPM will also be able to detect light rain and snowfall, a major source of available fresh water in some regions.
Aurora Australis, with the tourists and scientists from the research vessel, is now on its way back to Casey Station in the Windmill Island, located just outside the Antarctic Circle.
D All penguin colonies are in the Antarctic circle.
Yet nonetheless we see that there in the break is a reality of feeling outside words and outside techne, a reality on the brink, just out-side the Antarctic Circle, where art does nothing more than live and breathe.
It may be a rock in the middle of the South Atlantic, just off the Antarctic Circle, yet it is a place that screams its Britishness at every opportunity.
1773: Captain Cook's ship Resolution, in search of a long-suspected southern continent, became the first known vessel to cross the Antarctic circle - but narrowly missed being the first to see the Antarctic mainland, which was not certainly spotted for almost another half-century.

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