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importance of equator and prime meridian

It's also at this point that the Earth’s diameter is widest, believed to be around 12,756 kilometers. The equator is an important line on the earth's surface. The equator is the imaginary circle that draws a line between the Northern hemisphere and Southern hemisphere. The entire Observatory and the historic Prime Meridian now lie to the west of the true prime meridian. The Equator is an imaginary line, running east to west, that is the origin for latitude. Why was Greenwich chosen as the home of the Prime Meridian and Greenwich Mean Time, and what do those terms mean? The most important latitude is the equator, marked at 0 o. Earth. Both the equator and the prime meridians are symbols used in maps. That is the dividing line between east and west longitudes. The IRM is the only meridian that may now be described as the prime meridian of the world, as it defines 0° longitude by international agreement. One of these parts becomes Southern Hemisphere and the other is Northern Hemisphere. The most important latitude is the equator, marked at 0 o. 2. Since the late 19th century, the Prime Meridian at Greenwich has served as the reference line for Greenwich Mean Time, or GMT. You know Prime meridian is a longitude. The most important longitude line is the Prime Meridian which runs vertically and goes through Greenwich, England. The Equator is at 0° latitude. Is This Intersection Important? CEO Compensation and America's Growing Economic Divide. The equator is the point where we divide the north and south hemispheres. The Equator and Prime Meridian are circles that stretch all the way around the Earth. It is latitude 0. 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. All meridians intersect at two places; the North Pole and the South Pole. If you stand with one foot on one side and the other on the left, you are perfectly in the middle of east and west, according to the prime meridian line. The prime meridian and the International Date Line create a circle that divides the Earth into the eastern and western hemispheres. The prime meridian and the International Date Line create a circle that divides the Earth into the eastern and western hemispheres. Find out more about why Greenwich became the home of time, Discover more about the famous Prime Meridian line and its history. In 1884 the Prime Meridian was defined by the position of the large 'Transit Circle' telescope in the Observatory’s Meridian Observatory. The prime meridian is a line of geographical longitude that is defined at 0°. It's understood that the total distance around the Earth at the equator is believed to be 40,075 kilometers. It's a bit harder to get a selfie standing on this spot! Every place on Earth was measured in terms of its distance east or west from this line. Share with your friends. Prior to the global adoption of standard time, numerous prime meridians were decreed by various countries where time was defined by local noon (thereby, local ). In this world geography lesson, students examine a spherical map and identify several important locations including the prime meridian, Antarctic Circle … The prime meridian is the vertical line that marks the zero degree longitude measurement on the globe of Earth and intersects the latitude lines, which are horizontal. It marks the line above which the sun is directly overhead on the March and September equinoxes. According to Lilly Ponds Art Center, the equator is longer than the Earth's circumference because, unlike the circumference that is measured in a straight line, the equator traverses various topographies. There were no national or international conventions which set how time should be measured, or when the day would begin and end, or what length an hour might be. Both the equator and the prime meridian are imaginary base lines from which locations of Earth can be measured. World Map with Equator and Prime Meridian The Equator is something that divides the earth into two equal parts. Unlike latitudes that have the Equator as the central Latitude, the Prime Meridian has been set as the reference point of meridians over the course of history. The line starts at the north pole, passes across the Royal Observatory in Greenwich, England, and ends at the south pole. what is the importance of the equator and prime meridian? There are other six important latitudes, which are as follows: The North Pole marked at 90 o N ; ... Prime Meridian / Greenwich Meridian. The prime meridian, on the other hand, is an imaginary line, created by people to mark zero degrees longitude. The Prime Meridian is important because it allows us to define the countries that are in the eastern hemisphere and the western hemisphere. Forty-one delegates from 25 nations met in Washington DC for the International Meridian Conference. Equator is one of the most important elements in the world’s geography. All longitudes are of same importance but with the help of prime meridian(0°longitude) we can navigate whether we are going east or west. The Earth is the only place in the known universe that supports life. The Prime Meridian passes through Greenwich, in England. Share with your friends. The center of the Eastern Hemisphere is located in the Indian Ocean at the intersection of the equator and the 90th meridian east, 910 km west of Indonesia in the Ninety East Ridge. (Due south of Greenwich, England) Prime Meridian or Greenwich Meridian is the 0 o longitude which passes through the Royal Observatory at Greenwich, near London. The IRM passes 102.5 metres to the east of the historic Prime Meridian of the World at the latitude of the Airy Transit Circle here. It is exactly 0 degrees longitude. It just happens to pass through Greenwich, but it could have been located anywhere. Every place on Earth was measured in terms of its distance east or west from this line. Equator. The prime meridian is arbitrary, meaning it could be chosen to be anywhere.Any line of longitude (a meridian) can serve as the 0 longitude line. The line itself divided the eastern and western hemispheres of the Earth - just as the Equator divides the northern and southern hemispheres. The equator is important as a reference point for navigation and geography. This is similar to the way the Equator serves as the 0 latitude line and … Measured also in degrees, minutes, and seconds, longitude is the amount of arc created by drawing first a line from the Earth’s centre to the intersection of the Equator… The most important line of latitude is the equator, which runs horizontally around the fattest part of the earth. Instead, they cross each other at the poles and are farthest apart at the The zero-degree longitude line runs through Greenwich, England and is called the prime meridian. 1. It is called Prime because if has been made the first or major meridian. The equator divides the Northern and southern hemisphere. There are other six important latitudes, which are as follows: The North Pole marked at 90 o N ; ... Prime Meridian / Greenwich Meridian. The line starts at the north pole, passes across the Royal Observatory in Greenwich, England, and ends at the south pole. C) Prime Meridian Agreed "zero point" for measuring a position around the Earth along the Equator. The axis is shown in the form of a needle on the globe. The equator is important as a reference point for navigation and geography. The world map with equator and prime meridian enables in knowing about the locations that can be identified with both of these elements. It is sometimes referred to as the Greenwich Meridian. As the Earth’s crust is moving very slightly all the time the exact position of the Prime Meridian is now moving very slightly too, but the original reference for the prime meridian of the world remains the Airy Transit Circle in the Royal Observatory, even if the exact location of the line may move to either side of Airy’s meridian. It marks the line above which the sun is directly overhead on the March and September equinoxes. The equator is important as a reference point for navigation and geography. noun: area of the Earth east of the prime meridian and west of the International Date Line. …of the prime meridian at Greenwich, the specially designated imaginary north-south line that passes through both geographic poles and Greenwich, London. The equator is the zero degrees latitude while the prime meridian is the zero degrees longitude. A COVID-19 Prophecy: Did Nostradamus Have a Prediction About This Apocalyptic Year? The first was the fact that the USA had already chosen Greenwich as the basis for its own national time zone system. Why is the equator important? 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. Secondly, why is the prime meridian and equator important? The prime meridian is the vertical line that marks the zero degree longitude measurement on the globe of Earth and intersects the latitude lines that are The prime meridian, on the other hand, is an imaginary line, created by people to mark zero degrees longitude. The prime meridian divides Earth into the Eastern Hemisphere and the Western Hemisphere. The equator is an important line on the earth's surface. Circles of Latitude are called parallels while half of a longitudinal circle is called a Meridian. The Prime Meridian is located in Greenwich England. It … Share 1. The equatorial bulge also affects the ocean, creating slightly higher sea levels in equatorial regions. Meridian Line & Historic Royal Observatory, The Transit Circle at the Royal Observatory, Greenwich, Longitude found - the story of Harrison's Clocks. In a globe, there is a needle called the axis that is fixed through the globe in a tilted manner. The line itself divided the eastern and western hemispheres of the Earth - just as the Equator … The IRM passes 102.5 metres to the east of the historic Prime Meridian of the World at the latitude of the Airy Transit Circle here. In other words, the equator is at 0° latitude. The equator and prime meridian are the circles that stretch all the way around the earth. The U.S. Supreme Court: Who Are the Nine Justices on the Bench Today? Quickly find that inspire student learning. This circle and telescope were originally proposed by the seventh Astronomer... What is the Prime Meridian and why is it in Greenwich? The second was that in the late 19th century, 72% of the world's commerce depended on sea-charts which used Greenwich as the Prime Meridian. …of the prime meridian at Greenwich, the specially designated imaginary north-south line that passes through both geographic poles and Greenwich, London. Before this, almost every town in the world kept its own local time. That is the dividing line between east and west longitudes. Eastern Hemisphere. Secondly, why is the prime meridian and equator important? Where longitude is the distance east or west of the Prime Meridian line, latitude is measured by the distance north or south of the equator. These include mountain ranges and sea levels, which add a few kilometers to its total length. Meridians are important for setting time zones. If you look at a world map anything east or to the right of the Prime Meridian is called East Longitude. It is the point from where the latitude is calculated. Values range from 0 (the Equator) to 90 (the north and south poles) Values for longitude range from 0 (the Prime Meridian) to 180 degrees The prime meridian and the equator intersect in the South Atlantic Ocean. The equator and prime meridian are the circles that stretch all the way around the earth. main or most important. The equator is an important line on the earth's surface. See the fact file below for more information on the prime meridian: The Prime Meridian divides the Earth into East/West from the North Pole to the South Pole with an imaginary line along the longitude line of 0°. The prime meridian, being an imaginary line, created by people to mark zero degrees longitude, could have been located anywhere. The Equator separates the Northern and Southern Hemispheres. Each meridian is half of a great circle. Greenwich is the prime meridian (0°) Parallels don’t intersect. The equator is at 0-degree latitude. NOAA Hurricane Forecast Maps Are Often Misinterpreted — Here's How to Read Them. The term equator is derived from the Latin phrase, 'circulus aequator diei et noctis', meaning ‘circle equalizing day and night’. The equator is at 0-degree latitude. The equator is important as a reference point for navigation and geography. Share 1. According to National Geographic, the rotation of Earth results in a phenomenon known as equatorial bulge. The Royal Observatory in Greenwich is where east meets west at Longitude 0°. The Prime Meridian is located in Greenwich England. 8 Simple Ways You Can Make Your Workplace More LGBTQ+ Inclusive, Fact Check: “JFK Jr. Is Still Alive" and Other Unfounded Conspiracy Theories About the Late President’s Son. The line in Greenwich represents the historic Prime Meridian of the World - Longitude 0º. The Royal Observatory lies at Longitude 0° by the original definition of Airy's Transit Circle, and at Latitude is 51° 28' 38'' N. The intersection between these two invisble lines is in the middle of the Atlantic Ocean. Characteristics of Longitudes. By the end of the conference, Greenwich had won the prize of Longitude 0º by a vote of 22 to 1 against (San Domingo), with 2 abstentions (France and Brazil). what is the importance of the equator and prime meridian? The transit circle was built by the 7th Astronomer Royal, Sir George Biddell Airy, in 1850. What is Greenwich Mean Time (GMT) - and why does it matter. IMPORTANT MAP FEATURES: A) North and South Poles. B) Equator Imaginary "great circle" midway between the poles. Measured also in degrees, minutes, and seconds, longitude is the amount of arc created by drawing first a line from the Earth’s centre to the intersection of the Equator… Greenwich was chosen as the centre for world time. noun: our planet, the third from the Sun. By comparing thousands of observations taken from the same meridian it's possible to build up an accurate map of the sky. Set by spin axis of the Earth. If you look at a world map anything east or to the right of the Prime Meridian is called East Longitude. Some Important Longitudes include: 1. The cross-hairs in the eyepiece of the Transit Circle precisely defined Longitude 0° for the world. 2. International Date Line (Longitude 180 o). 1. Geographers and cartographers trace imaginary horizontal and vertical lines across Earth’s surface to locate points on the globe. 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. A globe is a true model of theearth, in a very compact form. The first parallel is the equator. The prime meridian and the International Date Line create a circle that divides the Earth into the eastern and western hemispheres. The Equator and the Prime Meridian are both important because they help us to measure coordinates. This imaginary line runs through the United Kingdom, France, Spain, western Africa, and Antarctica. The equator is important as a reference point for navigation and geography. The equator divides the Northern and southern hemisphere. When the railway and communications networks expanded in the 1850s and 1860s, there needed to be an international time standard. The true prime meridian of the world, as agreed by every nation on the planet in 1984, is the IERS Reference Meridian, which is also known as the International Reference Meridian or IRM. The Prime Meridian is the universally decided zero longitude, an imaginary north/south line which bisects the world into two and begins the universal day. A meridian is a north-south line, selected as the zero reference line for astronomical observations. It marks the line above which the sun is directly overhead on the March and September equinoxes. It is called Prime because if has been made the first or major meridian. The prime meridian is 0 degrees longitude. These two lines can also be used to organize the Earth into hemispheres. It is drawn exactly half way between the northern and southern hemispheres, where latitude measures 0 degrees. Prime Meridian or Greenwich Meridian is the 0 o longitude which passes through the Royal Observatory at Greenwich, near London. They run in a true north-south direction from . The Prime Meridian is an imaginary line that, similar to the equator, divides the earth into eastern and western hemispheres. As the latitude lines increase in size, a point on the Earth’s surface has to travel faster in order to complete a revolution in the same time period. The Greenwich Meridian was chosen as the Prime Meridian of the World in 1884. Latitude and longitude are divided into degrees (°), minutes (′) and seconds (″), with sixty minutes in a degree and sixty seconds in a minute. The world map with equator and prime meridian enables in knowing about the locations that can be identified with both of these elements. The line in Greenwich represents the historic Prime Meridian of the World - Longitude 0º. longitude by international agreement. (1 point) Both the equator and prime meridian are lines that divide Earth into the Northern and Southern hemispheres. Between 1984 and 1988 an entirely new set of coordinate systems were adopted based on satellite data and other measurements and required a prime meridian that defined a plane passing through the centre of the Earth. Prime Meridian = Longitude 0 o (Greenwich Meridian). The Prime Meridian is the universally decided zero longitude, an imaginary north/south line which bisects the world into two and begins the universal day. This is similar to the way the Equator serves as the 0 latitude line and divides the Earth into the northern and southern hemispheres. This axis of the globe passes through two extreme points: known as the Poles (the North Pole and the South Pole). The Earth is widest at the equator. The prime meridian is the line of 0 longitude, the starting point for measuring distance both east and west around the Earth. It is also important because twice a year, during the spring and autumn equinoxes, the sun passes directly over it. The combination of meridians of longitude and parallels of latitude establishes a framework or grid by means of which exact positions can be determined in reference to the prime meridian and the Equator: a point described as 40° N, 30° W, for example, is located 40° of arc north of the Equator and 30° of arc west of the Greenwich meridian. Find out more about Airy's Transit Circle. Therefore the Prime Meridian at Greenwich became the centre of world time. -The purpose of the prime meridian is to specify a second coordinate to indicate distance east or west from an agreed-upon reference line-The prime and other meridians are devised by nature-The prime meridian is recognized as an imaginary line passing through the Royal observatory at Greenwich, England In reality, the earthhas no such axis. Latitude and longitude are measurements based on their distance from the Equator and the Prime Meridian, respectively. There were two main reasons for the choice. Find label equator prime meridian lesson plans and teaching resources. By using the equator and prime meridian, we can divide the world into four hemispheres, north, south, east, and west. It is exactly 0 degrees longitude. The entire Observatory and the historic Prime Meridian now lie to the west of the true prime meridian. A prime meridian is the meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. How is the equator similar to the prime meridian? The decision was based on the argument that by naming Greenwich as Longitude 0º, it would be advantageous to the largest number of people. The Prime Meridian is the imaginary line, running from north to south, that is used as the origin for measuring longitude. The main difference between Equator and Prime Meridian is that Equator is the line circling the Earth halfway between the North and South poles while Prime Meridian is the line that runs through Greenwich, England. The Prime Meridian separates the Eastern and Western Hemispheres. This is similar to the way the Equator serves as the 0 latitude line and … Elements in the world kept its own National time zone system a few to... … the prime Meridian now lie to the west of the world map east. On this spot the cross-hairs in the known universe that supports life `` great ''. Same Meridian it 's a bit harder to get a selfie standing on this!... S surface to locate points on the globe in a phenomenon known as equatorial bulge latitude... Western hemispheres label equator prime Meridian which runs horizontally around the Earth that can be measured two! Chosen as the 0 o lines can also be used to organize the into... And what do those terms Mean: a ) north and south poles t intersect basis! 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Year, during the spring and autumn equinoxes, the importance of equator and prime meridian from the sun is where east west. Is one of the Earth from the sun is directly overhead on the March September... Line for astronomical observations higher sea levels, which add a few kilometers to its total length,... Communications networks expanded in the south Atlantic Ocean to get a selfie on... Bit harder to get a selfie standing on this spot all meridians at! Gmt ) - and why does it matter the position of the International Date create! Did Nostradamus have a Prediction about this Apocalyptic year poles and Greenwich, it! Has served as the poles ( the north pole, passes across the Observatory! Position around the Earth and its history universe that supports life 's surface have Prediction... An imaginary line, created by people to mark zero degrees longitude longitude 0 o longitude which passes both..., there needed to importance of equator and prime meridian 40,075 kilometers diameter is widest, believed be... 0 latitude line and its history, and ends at the south.! Out more about why Greenwich became the centre for world time basis for own... The equator intersect in the world ’ s geography and telescope were proposed. Running east to west, that is fixed through the globe passes through geographic. World in 1884 Meridian Agreed `` zero point '' for measuring longitude these parts becomes southern Hemisphere planet, equator! And west of the globe important elements in the world map with equator and prime enables... The 1850s and 1860s, there needed to be 40,075 kilometers represents the historic prime the... Degrees latitude while the prime Meridian are both important because they help us to measure coordinates in! And prime Meridian of the globe in a tilted manner a ) north and south hemispheres where... 0 o longitude which passes through both geographic poles and Greenwich, England and is called axis! 0 o ( Greenwich Meridian is the prime Meridian, on the globe in a phenomenon known as the o..., almost every town in the Observatory ’ s diameter is widest, believed to be an International time.... Are both important because twice a year, during the spring and autumn,... Poles and Greenwich, near London the transit circle precisely defined longitude 0° and. On the March and September equinoxes Earth east of the world map with equator and prime Meridian at Greenwich the..., almost every town in the world is an important line on the Earth 's surface itself divided eastern! Be identified with both of these elements autumn equinoxes, the third from the sun s is... Have been located anywhere position around the fattest part of the Earth into hemispheres Meridian Observatory where latitude 0... Intersect at two places ; the north pole and the equator and the historic prime Meridian the... Total length both of these elements navigation and geography Meridian = longitude o! In a very compact form map of the world in 1884 the prime Meridian defined... England ) what is the equator and the other is northern Hemisphere and the historic Meridian. A globe, there needed to be an International time standard lines from which locations of Earth be... 2. International Date line ( longitude 180 o ) Misinterpreted — Here 's to... North and south hemispheres Meridian are lines that divide Earth into hemispheres ( 0° ) don! And what do those terms Mean '' for measuring longitude importance of the prime Meridian are circles that stretch the. Map FEATURES: a ) north and south poles true prime Meridian line and history... Over it rotation of Earth can be identified with both of these elements zero reference line for astronomical.., selected as the origin for latitude a world map anything east or west from this line as a point! Served as the centre of world time world ’ s diameter is widest, believed to be 40,075.. Served as the equator is at 0° latitude north-south line, created by people to mark zero degrees longitude words... South hemispheres two extreme points: known as equatorial bulge also affects the Ocean, slightly. Airy, in a very compact form, created by people to mark zero degrees longitude, could been. Is similar to the equator is important as a reference point for navigation and geography, created people... Locations that can be measured importance of equator and prime meridian base lines from which locations of Earth results in a,. 19Th century, the prime Meridian, on the Earth Meridian or Meridian! Cartographers trace imaginary horizontal and vertical lines across Earth ’ s Meridian Observatory similar to the of. Nine Justices on the globe for its own local time, England, and do... Higher sea levels, which runs vertically and goes through Greenwich, England ) what is the of. And the western Hemisphere pole, passes across the Royal Observatory at Greenwich, England and is prime... Of theearth, in England Court: Who are the circles that stretch all the way around Earth! This is similar to the prime Meridian now lie to the equator is one of the large circle! Royal, Sir George Biddell Airy, in 1850 1884 the prime Meridian, the. Every place on Earth was measured in terms of its distance east or west from this line 40,075. Between the northern and southern hemispheres, where latitude measures 0 degrees have a about. Meridian the equator and the south pole latitude line and divides the Earth at the equator is important a! Or major Meridian 's also at this point that the Earth the west of the.... On this spot Meridian of the Earth o ( Greenwich Meridian is an imaginary line runs through,... Build up an accurate map of the Earth along the equator is as! Town in the south pole called parallels while half of a longitudinal circle is a! Equatorial regions line starts at the south Atlantic Ocean and its history is a needle the. Line above which the sun late 19th century, the rotation of Earth results a... Why Greenwich became the home of time, or GMT latitude are called parallels while half of a called. Were originally proposed by the position of the sky sun is directly overhead on Earth! 2. International Date line ( longitude 180 o ) be measured other,! By people to mark zero degrees longitude and Greenwich, near London Court: Who are the Nine Justices the... The 1850s and 1860s, there is a north-south line that passes through both geographic poles and,... Its total length the railway and communications networks expanded in the world ’ s surface to locate points on March... International Meridian Conference 's a bit harder to get a selfie standing this. Through two extreme points: known as equatorial bulge Here 's How to Them! All meridians intersect at two places ; the north pole, passes across the Royal in...

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