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Antarctic Circle

Index Antarctic Circle

The Antarctic Circle is the most southerly of the five major circles of latitude that mark maps of the Earth. [1]

49 relations: Adélie Land, Adelaide Island, Amery Ice Shelf, Antarctic, Antarctic Convergence, Antarctic Peninsula, Antarctica, Arctic Circle, Astronomy & Astrophysics, Atmospheric refraction, Axial tilt, Balleny Islands, Borradaile Island, Circle of latitude, Continent, December solstice, Earth, Enderby Land, Equator, Graham Land, Horizon, Hour, June solstice, Larsen Ice Shelf, Midnight, Midnight sun, Minute and second of arc, Mirage, Noon, Northern Hemisphere, Orbit of the Moon, Polar circle, Prime meridian, Queen Maud Land, Research stations in Antarctica, Solstice, Southern Hemisphere, Southern Ocean, Summer solstice, Sun, Territorial claims in Antarctica, Tidal force, Tropic of Cancer, Tropic of Capricorn, Vincennes Bay, Weddell Sea, Whaling, Wilkes Land, Winter solstice.

Adélie Land

Adélie Land (French: Terre Adélie) is a claimed territory on the continent of Antarctica.

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Adelaide Island

Adelaide Island or Isla Adelaida or Isla Belgrano is a large, mainly ice-covered island, long and wide, lying at the north side of Marguerite Bay off the west coast of the Antarctic Peninsula.

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Amery Ice Shelf

The Amery Ice Shelf is a broad ice shelf in Antarctica at the head of Prydz Bay between the Lars Christensen Coast and Ingrid Christensen Coast.

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Antarctic

The Antarctic (US English, UK English or and or) is a polar region around the Earth's South Pole, opposite the Arctic region around the North Pole.

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Antarctic Convergence

The Antarctic Convergence is a curve continuously encircling Antarctica, varying in latitude seasonally, where cold, northward-flowing Antarctic waters meet the relatively warmer waters of the subantarctic.

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Antarctic Peninsula

The Antarctic Peninsula is the northernmost part of the mainland of Antarctica, located at the base of the Southern Hemisphere.

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Antarctica

Antarctica is Earth's southernmost continent.

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Arctic Circle

The Arctic Circle is the most northerly of the five major circles of latitude as shown on maps of Earth.

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Astronomy & Astrophysics

Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

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Atmospheric refraction

Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height.

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Axial tilt

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.

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Balleny Islands

The Balleny Islands are a series of uninhabited islands in the Southern Ocean extending from 66°15' to 67°35'S and 162°30' to 165°00'E.

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Borradaile Island

Borradaile Island is one of the Balleny Islands.

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Circle of latitude

A circle of latitude on Earth is an abstract east–west circle connecting all locations around Earth (ignoring elevation) at a given latitude.

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Continent

A continent is one of several very large landmasses of the world.

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December solstice

The December solstice, also known as the southern solstice, is the solstice that occurs each December, typically between the 20th and the 22nd day of the month according to the Gregorian calendar.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Enderby Land

Enderby Land is a projecting land mass of Antarctica.

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Equator

An equator of a rotating spheroid (such as a planet) is its zeroth circle of latitude (parallel).

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Graham Land

Graham Land is the portion of the Antarctic Peninsula that lies north of a line joining Cape Jeremy and Cape Agassiz.

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Horizon

The horizon or skyline is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.

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Hour

An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.

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June solstice

The June solstice, also known as the northern solstice, is the solstice on the Earth that occurs each June falling on the 20th to 22nd according to the Gregorian calendar.

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Larsen Ice Shelf

The Larsen Ice Shelf is a long ice shelf in the northwest part of the Weddell Sea, extending along the east coast of the Antarctic Peninsula from Cape Longing to Smith Peninsula.

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Midnight

Midnight is the transition time from one day to the next – the moment when the date changes.

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Midnight sun

The midnight sun is a natural phenomenon that occurs in the summer months in places north of the Arctic Circle or south of the Antarctic Circle, when the sun remains visible at the local midnight.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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Mirage

A mirage is a naturally occurring optical phenomenon in which light rays bend to produce a displaced image of distant objects or the sky.

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Noon

Noon (also midday or noon time) is 12 o'clock in the daytime, as opposed to midnight.

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Northern Hemisphere

The Northern Hemisphere is the half of Earth that is north of the Equator.

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Orbit of the Moon

The Moon orbits Earth in the prograde direction and completes one revolution relative to the stars in about 27.322 days (a sidereal month) and one revolution relative to the Sun in about 29.530 days (a synodic month).

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Polar circle

A polar circle is either the Arctic Circle or the Antarctic Circle.

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Prime meridian

A prime meridian is a meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°.

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Queen Maud Land

Queen Maud Land (Dronning Maud Land) is a c. 2.7 million-square-kilometre (1 million sq mi) region of Antarctica claimed as a dependent territory by Norway.

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Research stations in Antarctica

A number of governments maintain permanent research stations in Antarctica and these bases are widely distributed.

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Solstice

A solstice is an event occurring when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.

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Southern Hemisphere

The Southern Hemisphere is the half of Earth that is south of the Equator.

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Southern Ocean

The Southern Ocean, also known as the Antarctic Ocean or the Austral Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica.

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Summer solstice

The summer solstice (or estival solstice), also known as midsummer, occurs when one of the Earth's poles has its maximum tilt toward the Sun.

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Sun

The Sun is the star at the center of the Solar System.

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Territorial claims in Antarctica

Seven sovereign states maintain a territorial claim on eight territories in Antarctica.

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Tidal force

The tidal force is an apparent force that stretches a body towards the center of mass of another body due to a gradient (difference in strength) in gravitational field from the other body; it is responsible for the diverse phenomena, including tides, tidal locking, breaking apart of celestial bodies and formation of ring systems within Roche limit, and in extreme cases, spaghettification of objects.

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Tropic of Cancer

The Tropic of Cancer, also referred to as the Northern Tropic, is the most northerly circle of latitude on Earth at which the Sun can be directly overhead.

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Tropic of Capricorn

The Tropic of Capricorn (or the Southern Tropic) is the circle of latitude that contains the subsolar point on the December (or southern) solstice.

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Vincennes Bay

Vincennes Bay is a large V-shaped bay, 105 km (65 mi) wide at its entrance between Cape Nutt and Cape Folger in Antarctica, marked by several large, steep glaciers near its head, lying along Knox and Budd Coasts.

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Weddell Sea

The Weddell Sea is part of the Southern Ocean and contains the Weddell Gyre.

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Whaling

Whaling is the hunting of whales for scientific research and their usable products like meat, oil and blubber.

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Wilkes Land

Wilkes Land is a large district of land in eastern Antarctica, formally claimed by Australia as part of the Australian Antarctic Territory, though the validity of this claim has been placed for the period of the operation of the Antarctic Treaty, to which Australia is a signatory.

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Winter solstice

The winter solstice (or hibernal solstice), also known as midwinter, is an astronomical phenomenon marking the day with the shortest period of daylight and the longest night of the year.

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Antarctic circle, Antartic Circle.

References

[1] https://en.wikipedia.org/wiki/Antarctic_Circle

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