Information about Tropic Of Cancer
For the novel by Henry Miller, see .
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World map showing the Tropic of Cancer
The Tropic of Cancer, or Northern tropic, is one of the five major circles of latitude that mark maps of the Earth. It is the most northerly latitude at which the sun can appear directly overhead at noon. This event occurs at the June solstice, when the northern hemisphere is tilted towards the sun to its maximum extent.
The Tropic of Cancer currently lies 23° 26′ 22″ north of the Equator. North of this latitude are the subtropics and Northern Temperate Zone. The equivalent line of latitude south of the equator is called the Tropic of Capricorn, and the region between the two, centered on the Equator, is known as the Tropics.
The line is called Tropic of Cancer because when it was named the sun was in the location of the constellation of Cancer (Latin for crab) in the sky at the June solstice. However, due to the precession of the equinoxes, the sun is now in the location of the constellation of Taurus at the June solstice. The word "tropic" itself comes from the Greek tropos, meaning turn, referring to the fact that the sun appears to "turn back" at the solstices.
The position of the Tropic of Cancer is not fixed, but varies in a complex manner over time; see under circles of latitude for information.
Geography
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The Tropic of Cancer passes through the following countries (going east):
- United States of America (Hawaii) - sea area only, misses every island, passing between Nihoa and Necker Island
- Mexico just north of Mazatlan on the Pacific
- Bahamas
- Exuma Islands and Long Island
- Western Sahara (claimed by Morocco)
- Mauritania
- Mali
- Algeria
- Niger
- Libya
- Chad
– Its northernmost point is defined by the Tropic of Cancer.
- Egypt
- Saudi Arabia
- United Arab Emirates
(Abu Dhabi emirate only)
- Oman
- India
- Bangladesh
- Myanmar
- People's Republic of China
just north of Guangzhou, also known as Canton
- Republic of China (Taiwan)
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Circumnavigation
According to the Fédération Aéronautique Internationale's rules, for a flight to compete for a round-the-world speed record, it must cover a distance no less than the length of the Tropic of Cancer as well as cross all meridians and end on the same airfield where it started. This length is set to be 36787.559 kilometres - a number implying a precision which does not exist, considering the variations of the tropic described above.For an ordinary circumnavigation the rules are somewhat relaxed and the distance is set to a rounded value of 37000 kilometres.
See also
equator divides the planet into a Northern Hemisphere and a Southern Hemisphere, and has a latitude of 0. On the Earth, a circle of latitude is an imaginary east-west circle connecting all locations that have a given latitude.
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solstice occurs twice a year, whenever Earth's axis tilts the most toward or away from the Sun, causing the Sun to be farthest north or south at noon. The name is derived from Latin sol (sun) and sistere
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degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of plane angle, representing 1⁄360 of a full rotation.
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equator is an imaginary line on the Earth's surface equidistant from the North Pole and South Pole. It thus divides the Earth into a Northern Hemisphere and a Southern Hemisphere. The equators of other planets and astronomical bodies are defined analogously.
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The subtropics are the zones of the Earth immediately north and south of the tropic zone, which is bounded by the Tropic of Cancer and the Tropic of Capricorn, at latitude 23.5 ° north and south.
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temperate latitudes of the globe lie between the tropics and the polar circles. The changes in these regions between summer and winter are generally mild, rather than extreme hot or cold. However, a temperate climate can have very unpredictable weather.
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Tropic of Capricorn, or Southern tropic, is one of the five major circles of latitude that mark maps of the Earth. It lies 23° 26′ 22″ south of the Equator, and marks the most southerly latitude at which the sun can appear directly overhead at noon.
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tropics are the geographic region of the Earth centered on the equator and limited in latitude by the Tropic of Cancer in the northern hemisphere, at approximately 23°30' (23.5°) N latitude, and the Tropic of Capricorn in the southern hemisphere at 23°30' (23.5°) S latitude.
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constellation of Orion is the area outlined in the dashed yellow line. Orion contains a striking and well-known star pattern that has the form of a hunter.]] A constellation is any one of the 88 areas into which the sky — or the celestial sphere — is divided.
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Cancer
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List of stars in Cancer
Abbreviation: Cnc
Genitive: Cancri
Symbology: the Crab
Right ascension: 9 h
Declination: +20
Area: 506 sq. deg.
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List of stars in Cancer
Abbreviation: Cnc
Genitive: Cancri
Symbology: the Crab
Right ascension: 9 h
Declination: +20
Area: 506 sq. deg.
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Latin}}}
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Brachyura
Latreille, 1802
Superfamilies
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Latreille, 1802
Superfamilies
- Section Dromiacea
- Homolodromioidea
- Dromioidea
- Homoloidea
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The precession of Earth's axis of rotation with respect to inertial space is also called the precession of the equinoxes. Like a wobbling top, the direction of the Earth's axis is changing; while today, the North Pole points roughly to Polaris, over time it will change.
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Taurus
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List of stars in Taurus
Abbreviation: Tau
Genitive: Tauri
Symbology: the Bull
Right ascension: 4 h
Declination: +15
Area: 797 sq. deg.
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List of stars in Taurus
Abbreviation: Tau
Genitive: Tauri
Symbology: the Bull
Right ascension: 4 h
Declination: +15
Area: 797 sq. deg.
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Motto
"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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State of Hawaii
Mokuʻāina o Hawaiʻi
Flag of Hawaii Seal of Hawaii
Nickname(s): The Aloha State
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Mokuʻāina o Hawaiʻi
Flag of Hawaii Seal of Hawaii
Nickname(s): The Aloha State
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Nearest city: Kauai, HI
Added to NRHP: June 13, 1988
NRHP Reference#: 88000640 [1]
Governing body: FISH AND WILDLIFE SERVICE
Nihoa (also known as Bird Island or Moku Manu
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Added to NRHP: June 13, 1988
NRHP Reference#: 88000640 [1]
Governing body: FISH AND WILDLIFE SERVICE
Nihoa (also known as Bird Island or Moku Manu
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Nearest city: Kauai, Hawaii
Added to NRHP: June 13, 1988
NRHP Reference#: 88000641 [1]
Governing body: FISH AND WILDLIFE SERVICE
Necker Island (Hawaiian: Mokumanamana
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Added to NRHP: June 13, 1988
NRHP Reference#: 88000641 [1]
Governing body: FISH AND WILDLIFE SERVICE
Necker Island (Hawaiian: Mokumanamana
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Anthem
Himno Nacional Mexicano
Capital
(and largest city) Mexico City
Official languages Spanish (
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Himno Nacional Mexicano
Capital
(and largest city) Mexico City
Official languages Spanish (
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Mazatlán
View of Mazatlán from El Faro
Coat of arms
Nickname: Pacific Pearl
Coordinates:
Country Mexico
State Sinaloa
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View of Mazatlán from El Faro
Coat of arms
Nickname: Pacific Pearl
Coordinates:
Country Mexico
State Sinaloa
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Earth's oceans
(World Ocean)
The Pacific Ocean (from the Latin name Mare Pacificum
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(World Ocean)
- Arctic Ocean
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
- Southern Ocean
The Pacific Ocean (from the Latin name Mare Pacificum
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Motto
"Forward, Upward, Onward Together"
Anthem
"March On, Bahamaland"
Royal anthem
"God Save the Queen"
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"Forward, Upward, Onward Together"
Anthem
"March On, Bahamaland"
Royal anthem
"God Save the Queen"
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Exuma is a district of the Bahamas, consisting of over 360 islands (or cays). The largest of the cays is Great Exuma, which is 37 mi (60 km) in length. The largest city in the district is George Town (permanent population 1,000), founded 1793 and located on Great Exuma.
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Long Island is an eighty-mile (nearly 130km) long island in the Bahamas that is split by the Tropic of Cancer. The island is only about four miles (6km) wide, but a road spans most of the length. Long Island is about 165 miles or 265 kilometres southeast of Nassau.
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Capital N/A
Largest city El Aaiún (Laâyoune)
Official languages N/A
Recognised regional languages Arabic and Spanish
Demonym Sahrawi, Sahrawian
Disputed sovereignty1
- Relinquished by Spain November 14 1975
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Largest city El Aaiún (Laâyoune)
Official languages N/A
Recognised regional languages Arabic and Spanish
Demonym Sahrawi, Sahrawian
Disputed sovereignty1
- Relinquished by Spain November 14 1975
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Motto
"Allāh, al Waţan, al Malik" (transliteration)
"God, Nation, King"
Anthem
Hymne Chérifien
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"Allāh, al Waţan, al Malik" (transliteration)
"God, Nation, King"
Anthem
Hymne Chérifien
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Motto
شرف إخاء عدل (Arabic)
"Honneur, Fraternité, Justice" (French)
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شرف إخاء عدل (Arabic)
"Honneur, Fraternité, Justice" (French)
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Motto
"Un peuple, un but, une foi"
"One people, one goal, one faith"
Anthem
Pour l'Afrique et pour toi, Mali
"For Africa and for you, Mali"
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"Un peuple, un but, une foi"
"One people, one goal, one faith"
Anthem
Pour l'Afrique et pour toi, Mali
"For Africa and for you, Mali"
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Motto
من الشعب و للشعب (Arabic)
"From the people and for the people"
Anthem
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من الشعب و للشعب (Arabic)
"From the people and for the people"
Anthem
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Motto
"Fraternité, Travail, Progrès" (French)
"Fraternity, Work, Progress"
Anthem
La Nigérienne
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"Fraternité, Travail, Progrès" (French)
"Fraternity, Work, Progress"
Anthem
La Nigérienne
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