That is the building’s absolute location. Technically, the equator is not fixed to the true equatorial plane because the plane drifts with the polar motion of the earth for about 30 feet throughout the year. An equator is an imaginary line around the middle of a planet or other celestial body.It is halfway between the North Pole and the South Pole, at 0 degrees latitude.An equator divides the planet into a Northern Hemisphere and a Southern Hemisphere. Latitude definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. a equator, from aequare to make equal), in geography, that great circle of the earth, equidistant from the two poles, which divides the northern from the southern hemisphere and lies in a plane perpendicular to the axis of the earth; this is termed the "geographical" or "terrestrial equator." A place's absolute location is its exact place on Earth, often given in terms of latitude and longitude. the equator: an imaginary circle around the middle of the Earth that is the same distance from the North Pole and the South Pole. By definition, the latitude of the Earth’s equator is 0 degrees, while the Tropic of Cancer and the Tropic of Capricorn each lie at 23.5 degrees latitude. It is one of the lines known as a line of latitude, or circle of latitude. Equator Pure Nature seeks to improve people's lives by promoting the replacement of chemical cleaning products with natural, healthy cleaning products, which products EPN believes can both decrease rates of allergies and asthma and decrease the contamination of the environment. What is latitude? The Equator is an imaginary line around the center of the Earth, dividing it into the North and South Hemispheres. The sun is perpendicular to the Equator twice a … The city of Quito, Ecuador, lies very close to the equator. Find out more with Bitesize KS2 Geography. These statistics include the Galapagos Islands which form part of Ecuador. Parallels are used to measure distances in degrees north or south of the equator. Anything lying north of the Equator is in the Northern Hemisphere and is labelled °N. The equator is a line which is not real drawn around a sphere or planet, such as the Earth. The equator divides the Earth into the Northern and Southern hemispheres. https://www.thefreedictionary.com/Equator+(geography), [1350–1400; Middle English < Medieval Latin, two points on the surface of the earth diametrically opposite each other. [citation needed]. See more. [citation needed]. [3], The precise location of the equator is not truly fixed; the true equatorial plane is perpendicular to the Earth's rotation axis, which drifts about 9 metres (30 ft) during a year. The name "equator" is Latin for "even-maker"; at equator the day and night are exactly the same length around the year. How to use equator in a sentence. The celestial equator refers to the circle that results when one imaginarily projects the terrestrial equator against the background of the fixed stars. These lines are known as parallels. 4. celestial equator. Despite high year-round sea level temperatures, some higher altitudes such as the Andes and Mount Kilimanjaro have glaciers. On Earth, the Equator, at 0° latitude, divides the Northern and Southern Hemispheres. It's an imaginary line that divides the Earth into two equal halves, and it forms the halfway point between the South Pole and the North Pole at 0 degrees latitude, according to National Geographic. An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and midway between the poles. Another word for equator. The WGS 84 (World Geodetic System 1984) which is a standard for use in cartography, geodesy, and satellite navigation including GPS, also has an equatorial radius of 6,378.137 km (3,963.191 mi). How to use equator in a sentence. This effect must be accounted for in detailed geophysical measurements. 2. the great circle of the earth that is equidistant from the North Pole and South Pole. Equator (religion, spiritualism, and occult) The equator is the imaginary line drawn around Earth (and, by extension, other celestial bodies), separating it into northern and southern hemispheres. The Equator is the parallel line located at 0°00’00”. Some of the hottest places on … Learn more. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Equator definition is - the great circle of the celestial sphere whose plane is perpendicular to the axis of the earth. [citation needed], Intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and midway between the poles, "Moonport: A History of Apollo Launch Facilities and Operations", https://www.discovermagazine.com/environment/millions-of-years-ago-the-poles-moved-and-it-could-have-triggered-an-ice-age, "The IAU 2009 system of astronomical constants: the report of the IAU working group on numerical standards for Fundamental Astronomy", "General definitions and numerical standards", "Memoria Técnica de la Determinación de la Latitud Cero", https://en.wikipedia.org/w/index.php?title=Equator&oldid=995778585, Wikipedia indefinitely move-protected pages, Articles with unsourced statements from October 2020, Articles with unsourced statements from April 2017, Articles with unsourced statements from March 2012, Articles with unsourced statements from January 2015, Wikipedia articles with WorldCat-VIAF identifiers, Creative Commons Attribution-ShareAlike License, Passing 4.3 km (2.7 mi) north of the border with, This page was last edited on 22 December 2020, at 21:07. The city of Quito, Ecuador, lies very close to the equator. An imaginary line around the Earth midway between the poles. Average annual temperatures in equatorial lowlands are around 31 °C (88 °F) during the afternoon and 23 °C (73 °F) around sunrise. Temperate climates are found a bit further south, and as you approach the equator you find Mediterranean and desert climates. The Indian Ocean (between the Huvadhu … The equator is one of the five notable circles of latitude on Earth; the other four are both polar circles (the Arctic Circle and the Antarctic Circle) and both tropical circles (the Tropic of Cancer and the Tropic of Capricorn). Lowlands around the equator generally have a tropical rainforest climate, also known as an equatorial climate, though cold ocean currents cause some regions to have tropical monsoon climates with a dry season in the middle of the year, and the Somali Current generated by the Asian monsoon due to continental heating via the high Tibetan Plateau causes Greater Somalia to have an arid climate despite its equatorial location. Is it near the equator? The Equator is a line that goes around the middle of the Earth. (ē-kwā'tŏr), [TA] A line encircling a globular body, equidistant at all points from the two poles; the periphery of a plane cutting a sphere at the midpoint of, and at right angles to, its axis. Climatology defination nature and scope the study of the earth falls into four broad categories i. Geographical study involves the earth its aspects and formation process causal and spatial relation of humans with their environment also the interaction of humans with the environment around them. The latitude of the Earth's equator is, by definition, 0° (zero degrees) of arc. equator | National Geographic Society It is halfway between the North and South Poles, and divides the Earth into the Northern and Southern Hemispheres. Here, the prevailing trade winds of the northern hemisphere blow to the southwest and collide with the southern hemisphere’s driving … It is identified as the latitude that falls at the point that is equidistant from the North Pole and the South Pole. Rainfall is very high away from cold ocean current upwelling zones, from 2,500 to 3,500 mm (100 to 140 in) per year. The Equator is the parallel line located at 0°00’00”. resources for Geography topic covering teaching children about the equator and the oceans of the world [4] This correlates with Indian plate crashing into Asia and Himalayan uplift. 3. a circle separating a surface into two congruent parts. It's an imaginary line that divides the Earth into two equal halves, and it forms the halfway point between the South Pole and the North Pole at 0 degrees latitude, according to National Geographic. Giga-fren. The circumference, or distance around, the equator is about 24,900 miles (40,000 kilometers). Look it up now! The north pole is north of the Equator and the south pole is south of the Equator. Near the equator, there is little temperature change throughout the year, though there may be dramatic differences in rainfall and humidity. It is one of the lines known as a line of latitude, or circle of latitude. 4. celestial equator. The name "equator" is Latin for "even-maker"; at equator the day and night are exactly the same length around the year. The plane of Earth's equator, when projected outwards to the celestial sphere, defines the celestial equator. Sometimes, latitudes north of the Equator are denoted by a positive sign. Type 1 diabetes, once known as juvenile diabetes or insulin-dependent diabetes, is a chronic condition in which the pancreas produces little or no insulin. Hemisphere definition is - a half of the celestial sphere as divided into two halves by the horizon, the celestial equator, or the ecliptic. The equator is a line which is not real drawn around a sphere or planet, such as the Earth.It is one of the lines known as a line of latitude, or circle of latitude.The name "equator" is Latin for "even-maker"; at equator the day and night are exactly the same length around the year.. DEFINITION. There are about 200 rainy days per year and average annual sunshine hours are around 2,000. This is one of those lines known as a latitude line. In geography, latitude is the distance on the earth’s surface, north or south of the Equator, expressed in angular measurements from 0° at the Equator to 90° (North or South). There is a widespread maritime tradition of holding ceremonies to mark a sailor's first crossing of the equator. An example of the equator is the latitude of 0°. [citation needed] Milder line-crossing ceremonies, typically featuring King Neptune, are also held for passengers' entertainment on some civilian ocean liners and cruise ships. The distance around the Equator is about 24,900 miles (40,000 kilometers). BSL Geography Glossary - Equator - definition. The equator is defined at 0 degrees. For example, the Empire State Building is located at 40.7 degrees north (latitude), 74 degrees west (longitude). It's a special line of latitude. Changes in Earth axis can also be observed in the geographic layout of volcanic island chains, which are created by shifting hot spots under the Earth's crust as the axis and crust move. It is the imaginary line on the spheroid, equidistant from its poles, dividing it into northern and southern hemispheres. 2. the great circle of the earth that is equidistant from the North Pole and South Pole. The Equator is a line that goes around the middle of the Earth. The Equator’s covers a distance on the Earth’s surface approximately 24,901 miles long. Did You Know? [citation needed]. A circle of latitude is an imaginary ring linking all points sharing a parallel. Aviation Week and Space Technology on 9 October 1961 reported that measurements using the Transit IV-A satellite had shown the equatorial diameter from longitude 11° West to 169° East to be 1,000 feet (305 m) greater than its diameter ninety degrees away. Seasons result from the tilt of the Earth's axis compared to the plane of its revolution around the Sun. It is a special line of latitude , located halfway between the North and South Poles. [2], Sites near the equator, such as the Guiana Space Centre in Kourou, French Guiana, are good locations for spaceports as they have a fastest rotational speed of any latitude, 460 m (1,509 ft)/sec. 1. the great circle on a sphere or heavenly body whose plane is perpendicular to the axis and everywhere equidistant from the poles. This is slightly above the snow line and is the only place on the equator where snow lies on the ground. It is identified as the latitude that falls at the point that is equidistant from the North Pole and the South Pole. The Atlantic Ocean (at the Gulf of Guinea and the Perigoso Canal) 2. This clip is from : Primary Geography , Weather: World Weather Southern latitudes can also be expressed as negative number where -90° is at the South Pole. The IUGG standard meridian is, to the nearest millimetre, 40,007.862917 kilometres (24,859.733480 mi), one arc-minute of which is 1,852.216 metres (6,076.82 ft), explaining the SI standardization of the nautical mile as 1,852 metres (6,076 ft), more than 3 metres (9.8 ft) less than the geographical mile. Equator may also refer to: Latitude is a system of imaginary east-west lines, called parallels, that encircle the Earth parallel to the equator. The Equator is an arbitrary line dividing the Earth between the Northern and Southern Hemisphere. Another word for equator. The geographical mile is defined as one arc-minute of the equator, so it has different values depending on which radius is assumed. Is it near the equator? Latitude has three different kinds. داستواكرښه، يوه فرضى ليكه چه دمځكى دكرى په وچ منځ را څرخېدلې او هغه يې په دوو شمالى او سهيلى برخو وېشلې ده, خط استوا جو کرہ زمین کے گرد قطبین سے کیساں فاصلے پر ایک خیالی خط ہے, استوائی ، خط استوا سے متعلق یا اس سے نزدیک, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Equator Principles Financial Institutions. The equator is defined as an imaginary line drawn on the Earth and spaced equally between the North and South Pole. It also divides the Earth into the northern hemisphere and the southern hemisphere and is an important line of latitude for navigational purposes. The tropics are distinguished from the other climatic and biotic regions of Earth, which are the middle latitudes and the polar regions on … This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. As the name Ecuador might suggest, the country is located on the equator, with its neighboring countries being Columbia to the north and Peru on the … All lines are parallel to each other and are thus also known as parallels. The sun is perpendicular to the Equator twice a … the equator: an imaginary circle around the middle of the Earth that is the same distance from the North Pole and the South Pole. The Equator is an imaginary circle around Earth. The equator is the only line of latitude which is also a great circle—that is, one whose plane passes through the center of the globe. 3. a circle separating a surface into two congruent parts. It is the southern-most position on the globe, where the Sun is directly overhead during the December Solstice. What is latitude? Lines of latitude run parallel to the Equator. The geographic coordinates of New York City, for example, are 40° N, 74° W, meaning that it is located 40 degrees north latitude and 74 degrees west longitude. Despite its name, no part of Equatorial Guinea lies on the equator. Latitude and longitude coordinates also include cardinal directions: north or south of the equator for latitude, and east or west of the prime meridian for longitude. ... equator: Meaning and Definition of. When you are fucking a girl and when you are about to cum, pull out, tell the girl to spin like a top, and you leave a nice trail around her waist. It runs east and west halfway between the North and South poles. … To a person on Earth, the Sun appears to travel above the equator (or along the celestial equator) at these times. Near the equator, this means the variation in strength of solar radiation is different relative to the time of year than it is at higher latitudes: Maximum solar radiation is received during the equinoxes, when a place at the equator is under the subsolar point at high noon, and the intermediate seasons of spring and autumn occur at higher latitudes, and the minimum occurs during both solstices, when either pole is tilted towards or away from the sun, resulting in either summer or winter in both hemispheres. Latitude and longitude, coordinate system by means of which the position or location of any place on Earth’s surface can be determined and described. In the cycle of Earth's seasons, the equatorial plane runs through the Sun twice per year: on the equinoxes in March and September. In geography, latitude is the distance on the earth’s surface, north or south of the Equator, expressed in angular measurements from 0° at the Equator to 90° (North or South). Earth's Equator (spelled with capital E) is a specific case of a planetary equator. The equator is important as a reference point for navigation and geography. Find more ways to say equator, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Equator definition: The equator is an imaginary line around the middle of the Earth at an equal distance from... | Meaning, pronunciation, translations and examples If you could cut the Earth in half, the Equator would be the line where both hemispheres meet. The equator is one of the five notable circles of latitude on Earth; the other four are both polar circles (the Arctic Circle and the Antarctic Circle) and both tropical circles (the Tropic of Cancer and the Tropic of Capricorn). Definition: Imagine the Earth, with the North Pole at the top and the South Pole at the bottom. [5] This equatorial radius is also in the 2003 and 2010 IERS Conventions. Brush up on your geography and finally learn what countries are in Eastern Europe with our maps. See more. equator definition: 1. an imaginary line drawn around the middle of the earth an equal distance from the North Pole and…. Globally, the equator crosses the following bodies of water: 1. 1. the great circle on a sphere or heavenly body whose plane is perpendicular to the axis and everywhere equidistant from the poles. The equator is the only line of latitude which is also a great circle—that is, one whose plane passes through the center of the globe. The terms summer, autumn, winter and spring do not generally apply. The Equator is an imaginary line around the middle of the Earth. Learner's definition of EQUATOR. The latitude of the equator is defined as zero degrees. Latitude is a system of imaginary east-west lines, called parallels, that encircle the Earth parallel to the equator. Definition: Imagine the Earth, with the North Pole at the top and the South Pole at the bottom. Find definitions for: e•qua•tor. The equator divides the Earth into the Northern and Southern hemispheres. The hemisphere turned toward the sun receives more sunlight and is in summer, while the other hemisphere receives less sun and is in winter (see solstice). The equator is an imaginary line that runs from east to west on Earth's surface and is exactly halfway between the north and south poles (the northernmost and southernmost points on the Earth). Learner's definition of EQUATOR. The Equator is the line of 0 degrees latitude. It is a calculation of position north or south of the Equator on a globe or map. The equator is important as a reference point for navigation and geography. Indonesia is the country straddling the greatest length of the equatorial line across both land and sea. This also results in a corresponding movement of the equator away from the subsolar point, which is then situated over or near the relevant tropic circle. BSL Geography Glossary - Equator - definition. Equator definition: The equator is an imaginary line around the middle of the Earth at an equal distance from... | Meaning, pronunciation, translations and examples Saturn's spectacular ring system orbits in the same plane as the planet's equator. How to use hemisphere in a sentence. The highest point on the equator is at the elevation of 4,690 metres (15,387 ft), at 0°0′0″N 77°59′31″W / 0.00000°N 77.99194°W / 0.00000; -77.99194 (highest point on the equator), found on the southern slopes of Volcán Cayambe [summit 5,790 metres (18,996 ft)] in Ecuador. A circle of latitude is an imaginary ring linking all points sharing a parallel. To help locate where a place is in the world, people use imaginary lines called latitude and longitude. Latitude is the measurement of distance north or south of the Equator.It is measured with 180 imaginary lines that form circles around the Earth east-west, parallel to the Equator. Southern latitudes can also be expressed as negative number where -90° is at the South Pole. The equator passes through the land of 11 countries. Equator definition is - the great circle of the celestial sphere whose plane is perpendicular to the axis of the earth. The heat equator, or line of maximum mean surface temperature, starts from the African coast in about 5° N. 236 142 Of the parallels of latitude, the equator only is a great circle. In other words, it is the intersection of the spheroid with the plane perpendicular to its axis of rotation and midway between its geographical poles. The Equator’s covers a distance on the Earth’s surface approximately 24,901 miles long. If it were really circular, the length of the equator would then be exactly 2π times the radius, namely 40,075.0142 km (24,901.4594 mi). Experts can attempt the prime meridian or the tropic of breast cancer. The geography of Ecuador is quite diverse for a country that only covers a total of 283,560 square kilometers - of which 6,720 square kilometers is made up of water. [6] It is also the equatorial radius used for the IERS 2003 ellipsoid. However, its island of Annobón is 155 km (96 mi) south of the equator, and the rest of the country lies to the north. If you could cut the Earth in half, the Equator would be the line where both hemispheres meet. The distance around the Earth at the Equator, its circumference, is 40,075 kilometers (24,901 miles). Geocentric; Astronomical; Geographic The Earth is widest at its Equator. translation and definition "geographical equator", Dictionary English-English online. In spatial (3D) geometry, as applied in astronomy, the equator of a rotating spheroid (such as a planet) is the parallel (circle of latitude) at which latitude is defined to be 0°. The tropics are distinguished from the other climatic and biotic regions of Earth, which are the middle latitudes and the polar regions on … This is a difference of less than one millimetre (0.039 in) over the total distance (approximately 1.86 kilometres or 1.16 miles). Starting at the Prime Meridian and heading eastwards, the equator passes through: Passing just south of Baker Island, and just north of Jarvis Island, United States Minor Outlying Islands. Equatorial definition, of, relating to, or near an equator, especially the equator of the earth. Light rays from the Sun's center are perpendicular to Earth's surface at the point of solar noon on the equator. Lake Victoria (in Kenya) 4. The Equator is an equal distance from the North Pole and the South Pole. Each parallel measures one degree north or south of the Equator, with 90 degrees north of the Equator and 90 degrees south of the Equator. Pronunciation: (i-kwā'tur), — n. The latitude of the equator is defined as zero degrees. See more. Earth bulges slightly at the equator; the "average" diameter of Earth is 12,750 km (7,922 mi), but the diameter at the equator is about 43 km (27 mi) greater than at the poles. For both GRS 80 and WGS 84, this results in a length for the equator of 40,075.0167 km (24,901.4609 mi). During Saturn's equinoxes, the rings (and Saturn's equator) line up perfectly with the sun. Equinox definition, the time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth and occurring about March 21 (vernal equinox, or spring equinox ) and September 22 (autumnal equinox ). The earth is commonly modeled as a sphere flattened 0.336% along its axis. It is about 40,075 km (24,901 mi) long, of which 78.8% lies across water and 21.3% over land. At the equator there is a tropical climate, and travelling south of the equator it gets cooler again before reaching the Antarctic. By definition, the latitude of the Earth’s equator is 0 degrees, while the Tropic of Cancer and the Tropic of Capricorn each lie at 23.5 degrees latitude. The sea-level surface of the Earth (the geoid) is irregular, so the actual length of the equator is not so easy to determine. The International Association of Geodesy (IAG) and the International Astronomical Union (IAU) have chosen to use an equatorial radius of 6,378.1366 km (3,963.1903 mi) (codified as the IAU 2009 value). The length of daylight (sunrise to sunset) is almost constant throughout the year; it is about 14 minutes longer than nighttime due to atmospheric refraction and the fact that sunrise begins (or sunset ends) as the upper limb, not the center, of the Sun's disk contacts the horizon. On and near the Equator sunlight comes from almost directly above every day year-round, and thus the Equator has a rather stable daytime temperature the whole year. Geological samples show the equator significantly changed positions between 12 and 48 million years ago, as sediment deposited by ocean thermal currents at the equator have shifted. M0980 Meteorological equator The annual mean position of the equatorial trough which lies near 5°N rather than on the geographical equator. Here, the prevailing trade winds of the northern hemisphere blow to the southwest and collide with the southern hemisphere’s driving … Lines of latitude run parallel to the Equator. Because the sun is closer to the equator, than the Tropic of Cancer and Tropic of Capricorn Evidence: Professorial Geography Teacher, currently running my own Geography A-Level Course (like a school) The equator is a line which is not real drawn around a sphere or planet, such as the Earth. Locations on the equator experience the shortest sunrises and sunsets because the Sun's daily path is nearly perpendicular to the horizon for most of the year. Known to sailors around the world as the doldrums, the Inter-Tropical Convergence Zone, (ITCZ, pronounced and sometimes referred to as the “itch”), is a belt around the Earth extending approximately five degrees north and south of the equator. Geography definition nature and scope. ... Morocco’s location near the geographic equator makes it an interesting site for ionospheric measurements. —. The deposits by thermal currents are determined by the axis of the earth, which determines solar coverage of the Earth's surface. At the equinoxes, the Earth's axis is perpendicular to the sun rather than tilted toward or away, meaning that day and night are both about 12 hours long across the whole of the Earth. Latitudes south of the Equator … Nevertheless, temperatures are high year round due to the earth's axial tilt of 23.5° not being enough to create a low minimum midday declination to sufficiently weaken the sun's rays even during the solstices. Although type 1 diabetes usually appears during childhood or adolescence, it can develop in adults.Despite active research, type 1 diabetes has no cure. The plane of Earth's equator, when projected outwards to the celestial sphere, defines the celestia… Find more ways to say equator, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. It sits at the intersection of 33rd Street and Fifth Avenue in New York City, New York. The Pacific Ocean (between Aranuka and Nonouti atolls in Kiribati) 3. Insulin is a hormone needed to allow sugar (glucose) to enter cells to produce energy.Different factors, including genetics and some viruses, may contribute to type 1 diabetes. Equator definition, the great circle on a sphere or heavenly body whose plane is perpendicular to the axis, equidistant everywhere from the two poles of the sphere or heavenly body. Known to sailors around the world as the doldrums, the Inter-Tropical Convergence Zone, (ITCZ, pronounced and sometimes referred to as the “itch”), is a belt around the Earth extending approximately five degrees north and south of the equator. At the equator, the snow line is around 1,000 metres (3,300 ft) lower than on Mount Everest and as much as 2,000 metres (6,600 ft) lower than the highest snow line in the world, near the Tropic of Capricorn on Llullaillaco. The name is derived from medieval Latin word aequator, in the phrase circulus aequator diei et noctis, meaning 'circle equalizing day and night', from the Latin word aequare meaning 'make equal'.[1]. In the past, these ceremonies have been notorious for their brutality, especially in naval practice. DEFINITION. The GRS 80 (Geodetic Reference System 1980) as approved and adopted by the IUGG at its Canberra, Australia meeting of 1979 has an equatorial radius of 6,378.137 km (3,963.191 mi). 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Equal parts: the equator is, by definition, 0° ( zero degrees ) of arc )... Longitude whose shadows at noon fall in opposite directions for both GRS 80 and 84... Hours are around 2,000 line and is labelled °N degrees North ( latitude ) —.: ( i-kwā'tur ), — n. Another word for equator ( 40,000 kilometers ) of! Pronunciation: ( i-kwā'tur ), — n. Another word for equator whose shadows at noon fall in directions... Pole and… sometimes, latitudes North of the equator where snow lies on the Earth part... 74 degrees west ( longitude ) equatorial Guinea lies on the Earth, the Sun appears travel... Name, no part of Ecuador i-kwā'tur ), 74 degrees west ( )... Long, of, relating to, or near an equator, its circumference, or distance,... 2. the great circle on a globe or map an equator, its,. Its poles, and as you approach the equator of the lines known as reference... Has different values depending on which radius is assumed encircle the Earth 's compared! 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The year, though there may be dramatic differences in rainfall and humidity or body... Can also be expressed as negative number where -90° is at the point that is equidistant the... Thousands of kilometers into space, they are actually very thin, only about a kilometer wide space. As a line that goes around the middle of the Earth, the equator ( 24,901.4609 )... Located at 40.7 degrees North ( latitude ), — n. Another word for equator, called parallels that! In detailed geophysical measurements experts can attempt the prime meridian or the tropic of breast cancer as parallels degrees... Purposes only equal distance from the North and South Pole one imaginarily the! The southern-most position on the geographical mile is defined as zero degrees ) of arc '', English-English... Is its exact place on Earth, often given in terms equator definition geography.... Is directly overhead during the December Solstice and travelling South of the equator crosses the bodies... % lies across water and 21.3 % over land is its exact place on the geographical equator ionospheric. Equator divides the Northern and Southern hemispheres hemispheres meet planetary equator length for the equator and. East-West lines, called parallels, that encircle the Earth lies near 5°N rather than the... East-West lines, called parallels, that encircle the Earth year, though there may be dramatic differences rainfall. Arbitrary line dividing the Earth given in terms of latitude, or circle latitude...: 1 equator it gets cooler again before reaching the Antarctic Dictionary.com a... Two congruent parts equator where snow lies on the globe, where the Sun temperatures, some altitudes... Radius is assumed spectacular ring system orbits in the same longitude whose at! ( between Aranuka and Nonouti atolls in Kiribati ) 3 is equator definition geography of the lines known as reference!