Calculating the obstructed height of an object. The coastline of Antarctica, which is actually this icewall, is about 11,000 miles in coastline. Many Miles Around The Earth the earth by the cosine of the latitude. The circumference of the Earth is the distance measured around it. The mile was usually abbreviate ..more definition+. How large is Earth? | Cool Cosmos C. 1593060480 billlion B. It is 6356.752 km (3949.903 mi) at the poles and 6371.001 km (3958.756 mi) on average. Definition: The mile (abbreviation: mi) is a unit of distance on land in English-speaking countries equal to 5280 feet, or 1760 yards (1.609 kilometers). Please enter the latitude in decimal degrees, here you can convert coordinates. proportional to the radius, the circumference of the earth at 60. degrees North latitude is approximately 12,000 miles. The Earth's radius (r) is 6371 km or 3959 miles, based on numbers from Wikipedia, which gives a circumference (c) of c = 2 * π * r = 40 030 km We wish to find the height (h) which is the drop in curvature over the distance (d) Using the circumference we find that 1 kilometer has the angle 360° / 40 030 km = 0.009°. Which is all a long-winded way of saying multiply the circumference of. Earth's circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). The Earth's circumference is 10^4 mile and the the speed of a sailboat is 10^1 mile/hour. The Earth is widest at the equator. However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. There is an equatorial bulge of 27 miles due to the rotation of the Earth. Twitter. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second–or roughly 1,000 miles per hour. T he circumference of the Earth around the equator is approximately 24, miles. The earth has a circumference of 24,901 miles, or 40,071 km. Pretty good, Eratosthenes! The earth has a circumference of 24,901 miles, or 40,071 km. Please enter the latitude in decimal degrees, here you can convert coordinates. In kilometers, Earth’s circumference is given by 666 km x 60 = 39,960 km . -----How fast would you have to travel to see the sun set twice, or outrun the shadow of the setting sun? With a circumference of 40,075 km, Earth is the fifth largest of the planets in the Solar System. Earth is about eight light minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution. Earth rotates around its own axis in a day. If you were to cut the Earth in half at the equator, you could pick up one of the halves and look at the equator as a circle. Required fields are marked * Measured at the equator, the circumference of the Earth is 24,901.55 miles. If the rotational speed of Earth were to slow down, how might this impact daytime high and nighttime lows? Earth is an ellipsoid with a circumference of about 40,000 km. Earth’s circumference at the equator is 24,901 miles. Since the circumference of a circle is directly. However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. Archimedes was the closest to guessing the accurate circumference of the Earth, which is 40,075 kilometers. Measured at the equator, the circumference of the Earth is 24,901.55 miles. Divide both sides of the equation by 2 x 7/22. (This area is … You could then divide a degree into 60 minutes. If you were to cut the Earth in half at the equator, you could pick up one of the halves and look at the equator as a circle. A minute of arc on the planet Earth is 1 nautical mile. Area of a circle = nr^2. The short and simple answer is "about 24,900 miles." r — Earth's radius, equal to 3959 miles or 6371 km. However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. Find the diameter of Earth at its equator. Earth’s circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). The average radius of the Earth is 3,959 miles. The circumference of the Earth is different depending on where you measure, because the Earth is not a sphere. ... At its closest, Mars is still tens of millions of miles away from Earth. Earth: 40,075 kilometers or 24,901 miles. A nautical mile is based on the circumference of the planet Earth. It represents a situation analogical to the one with the ship from above. Definition: The mile (abbreviation: mi) is a unit of distance on land in English-speaking countries equal to 5280 feet, or 1760 yards (1.609 kilometers). View Available Hint(s) The Earth's circumference is 10mile and the the speed of a sailboat is 10 mile/hour The Earth's circumference is 104 mile and the the speed of a sailboat is 10 mile/hour. The circumference (distance around the largest part of the Earth) is roughly 24,898 miles (40,070 kilometers), according to NASA. ... 901 miles and around the poles it is 24, 860 mile, difference of 41 miles. Due to the irregular, ellipsoid shape of the Earth, a line of longitude wrapped around the Earth going through the north and south poles is 24,859.82 miles (40,000 kilometers). More precisely the circumference of the earth at the equator is 24,902 mi / 40,076 km. Earth’s Measurements . Earth’s circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). Mars: 21,339 kilometers or 13,259 miles. Radius, diameter and circumference Earth’s polar radius is 3,950 miles (6,356 km) — a difference of 13 miles (22 km). Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). -----How fast would you have to travel to see the sun set twice, or outrun the shadow of the setting sun? The nautical mile was officially standardized against the meter in 1929 by the International Hydrographic Organization. Earth’s circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. Estimate how many hours it would take to sail around the world in a sailboat using the values in Part F by determining the order of magnitude exponent n (i.e. The distance Mars travels in its orbit around the Sun. Its diameter (the distance from one side to the other through Earth's center) is 7,926 miles (about 12,756 kilometers). Earth: Earth is the planet which we call home, Earth is the third rock from the sun and the only planet with known life on it. The IUGG value for the equatorial radius of the Earth is 6378.137 km (3963.19 statute miles ), giving an equatorial circumference of 40,075 km (24,901.5 miles . Today we know that the Earth’s circumference is roughly 40,000 km (24,854 miles). Similarly, the Earth’s equatorial circumference is 24,902 miles. The circumference of the Earth is the distance measured around it. According to the FAQ, the circumference of the flat earth is 78,000 miles. The diameter of the Earth at the poles is 7,899.8 miles. The circumference of the Earth in kilometers is 40,075 km, and the circumference of the Earth in miles is 24,901. Earth’s equatorial diameter is 7,926 miles (12,756 kilometers), but from pole to pole, the diameter is 7,900 miles (12,720 km) — a difference of only 40 miles (64 km). Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers). You can also use it to find the area of a circle: A = π * R² = π * 14² = 615.752 cm². A team is tracking storms across parts of the U.S. in two NASA planes to help understand the inner workings of winter storms. Earth's speed of rotation at the equator is 1,670 km per hour. Earth The Blue Marble the most widely used photograph of Earth, taken by the Apollo 17 mission in 1972. Earth turns on its axis approximately once every 24 … However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. This means you would need to drive 41 miles further in your car if you chose to travel around the world at the equator compared to going around the poles. 15.93 billion. D. 0.7965 billion New research shows the dominant color has changed in about one-third of large rivers in the continental United States over the past 35 years. Circumference . Earth turns on its own axis about once every 24 hours (or, to be precise, every 23 hours, 56 minutes and 4 seconds). When it comes to measurements from pole-to-pole, or along the meridian line, the Earth has a circumference of 24.859.73 mi / 40.007.86 km. At the equator, Earth has a circumference of 24.901.461 mi / 40.075.017 km. That means it would take 78,000 miles of travel distance to completely circumnavigate the icewall and end up where you started. You could then divide a degree into 60 minutes. Earth circumference. earth-circumference to nautical-miles 1 Earth Circumference = 21598.272138229 Nautical Miles Circumference of the Earth in miles: 24,901 miles Circumference of the Earth in feet: 131,477,280 feet Circumference of the Earth in inches: 1,577,727,360 inches • The distance to the moon is 10 times the circumference of Earth, or approximately 400,000 kilometers (250,000 miles). 3.14 x 14^2 = 616 cm^2 The diameter of a circle is twice the radius, giving us a diameter for Earth … Calculating the obstructed height of an object. How many coins do you need to place along the circumference of Earth? it would … With 15 degrees corresponding to 1000 miles, we estimate the circumference of the earth at 24,000 miles, in better agreement with published results. With a circumference of 40,075 km, Earth is the fifth largest of the planets in the Solar System. The Earth has a diameter of 7,926.3 miles at the equator, and its circumference, or the distance around the earth at the equator, is 24,901.55 miles. Look at the image above. A measurement of the distance around the equator of Mars. Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). Plato took a guess at Earth’s circumference at 62,800-74,000 kilometers (or 39,250-46,250 miles) while Archimedes was closer with a guess of 55,500 kilometers, or 34,687 miles. However, the Earth is not quite a perfect circle, and if you measure through the poles, the circumference is a bit shorter—24,859.82 miles. Our planet’s shape, caused by the flattening at the poles, is called an oblate spheroid. The circumference (distance around the largest part of the Earth) is roughly 24,898 miles (40,070 kilometers), according to NASA. Throughout history, the shape of the Earth has been debated by scientists and philosophers. The earth, as we said, is an oblate spheroid, so geodesists (scientists who measure the earth and its position in space) have measured and calculated the average of earth's circumference as 40,075 km or 24,901 mi. Both of these values are very close to the accepted modern values for the Earth's circumference and radius, 40,070 km and 6378 km respectively, which have since been measured by orbiting spacecraft. The very first person to determine the circumference of the earth was Eratosthenes, in sometime around 240 BC. His method was so simple that he just used sticks and geometry (and a poor guy) to determine the circumference of the earth. It all started when he was peacefully reading something at the library of Alexandria. Set up your meter stick vertically, outside in a sunny spot just before solar noon.If you have a volunteer to help, have them hold the meterstick. ...If you have a post level or plumb bob, use it to make sure the meterstick is perfectly vertical. ...At solar noon, mark the end of the meterstick's shadow on the ground with a stick or a rock.More items... The flattened spherical nature of Earth is reflected in terms of its equatorial and meridional circumference. A. Substitute this value to the formula for circumference: C = 2 * π * R = 2 * π * 14 = 87.9646 cm. The meridional circumference that is from pole to pole is 40,008 km. Finally, we note that the angular difference between the shadows at two points, A and B, is the same as the difference in latitude between those two points. Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers). 60), or R/2. Always check the results; rounding errors may occur. Answer. The circumference of the Earth measured around the Equator is approximtely 24, By knowing the Equatorial diameter or the polar diameter of the Earth, the circumference can be found. The diameter of a circle is twice the radius, giving us a diameter for Earth … Assuming a spherical earth. Mars: 21,339 kilometers or 13,259 miles. This is also reflected in Earth’s radius, which differs depending on which latitude it is measured at. However, from pole-to-pole — the meridional circumference — Earth is only 24,860 miles … Twitter. • The circumference of Earth (distance around Earthat the equator) is approximately 40,000 kilometers (25,000 miles). Finally, you can find the diameter - it is simply double the radius: D = 2 * R = 2 * 14 = 28 cm. However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. I read about how Eratosthenes calculated the circumference of the Earth and I knew that I had to try it myself. Assuming a spherical earth. Determining the earth's size. Mars: 1,429,085,052 kilometers (1.429 x 10 9) km or 887,992,283 miles Earth: 939,887,974 kilometers ... At its closest, Mars is still tens of millions of miles away from Earth. According to the FAQ, the circumference of the flat earth is 78,000 miles. NASA Planes Fly into Snowstorms to Study Earth's Snowfall. 60), or R/2. The mile was usually abbreviate ..more definition+. By wrapping a string around the basketball ten times (or wrapping it around the ball once and using that This makes the circumference of the earth to be 40,000 kilometers. The circumference of the Earth is the distance measured around it. The circumference of the Earth at the equator is 24,901.55 miles (40,066.59 kilometers). Earth's Circumference at the Equator: 24,901.55 miles (40,075.16 km) Earth's Circumference Between the North and South Poles: 24,859.82 miles (40,008 km) Notice that 39112.5miles does not = 24901 miles. Further, the distance walked from Syene to Alexandria was ≈ 5000 Stadia ( ≈ 500 miles ), therefore, the following simple equation is true: The modern accepted circumference of the Earth at the equator is 24,901.55 miles and hence Earth's true diameter at the equator is 7,926.41 miles with a less than 1% error! Every 24 hours, Earth makes a full rotation around its axis. Pretty good, Eratosthenes! Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). The diameter of a coin is 1 inch and the radius of the Earth is 4000 miles. Earth's Circumference at the Equator: 24,901.55 miles (40,075.16 km) Earth's Circumference Between the North and South Poles: 24,859.82 miles (40,008 km) Notice that 39112.5miles does not = 24901 miles. The circumference of a circle is expressed as: Circumference = 2 x pi x r where r is the radius of the circle and is equal to half of the diameter. Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). 1 x 4.02336E-5 Ec = 4.02336E-5 Earth Circumference. By 500 B.C. Because Earth is not completely spherical, its mean radius is 3,959 miles, and its equatorial diameter is 7,926 miles. The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. the earth by the cosine of the latitude. A minute of arc on the planet Earth is 1 nautical mile. The diameter of the moon is about 2,161 miles or (3,476 kilometers). ... At its closest, Mars is still tens of millions of miles away from Earth. Earth radius at sea level is 6378.137 km (3963.191 mi) at the equator. About half (53.2%) that of Earth. Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). Look at the image above. Your email address will not be published. About 1.5 times that of Earth. Which is all a long-winded way of saying multiply the circumference of. The philosopher Plato (400 BCE) declared the earth's circumference to be 64,412 kilometers (40,000 miles).Some 150 years later, the mathematician Archimedes estimated it to be 48,309 … Earth’s circumference at the equator is 24,901 miles. Eratosthenes, some 2,200 years ago, was off by only 125 km or 101 mi. That means it would take 78,000 miles of travel distance to completely circumnavigate the icewall and end up where you started. Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). The coastline of Antarctica, which is actually this icewall, is about 11,000 miles in coastline. • The circumference of Earth (distance around Earthat the equator) is approximately 40,000 kilometers (25,000 miles). Earth turns on its own axis about once every 24 hours (or, to be precise, every 23 hours, 56 minutes and 4 seconds). (C = 2πr) With this information, Eratosthenes inferred that the Earth's radius was 6366 km. Our planet’s shape, caused by the flattening at the poles, is called an oblate spheroid. Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers). Because seven degrees is about one 50th of a full circle (360 degrees), Eratosthenes simply multiplied the distance from Alexandria to Syene -- believed to have been about 515 miles (830 km) -- by 50. 1 mi = 4.02336E-5 Ec. He knew that the circumference of Earth constituted a circle of 360 degrees, so 7.12 (or 7.2, to divide 360 evenly by 50) degrees would be about one-fiftieth of the circumference. In miles, Earth’s circumference is … What is the circumference of the Earth at 40 degree latitude? Since the sun "travels" once around the earth every 24 hours, The circumference of the Earth is the distance measured around it. This remained the best measurement for … He knew that the circumference of Earth constituted a circle of 360 degrees, so 7.12 (or 7.2, to divide 360 evenly by 50) degrees would be about one-fiftieth of the circumference. Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). By wrapping a string around the basketball ten times (or wrapping it around the ball once and using that You could divide that circle into 360 degrees. 30,600 kilometers Circumference of the Earth at 40-deg North = 30,600 kilometers. Categories Uncategorized. At the equator, Earth has a circumference of 24.901.461 mi / 40.075.017 km. Finally, we note that the angular difference between the shadows at two points, A and B, is the same as the difference in latitude between those two points. Measured around the poles, the circumference is 40,007.863 km (24,859.734 mi). Earth's equatorial circumference is 40,075.02 km (24,901 miles), and its meridional circumference is 40,007.86 km (24,859.73 miles). The ratio of the circumference to the diameter of a circle is written as the symbol pi. Well, the difference in angle between these two cities is equal to 7.12°, which is 50.56 times less than a full circle. It is the densest planet in the Solar System. Measurement of Earth's circumference has been important to navigation since ancient times. Eratosthenes estimated the distance from Alexandria to Syene as 5,000 stadia, or about 500 miles (800 kilometers). Both of these values are very close to the accepted modern values for the Earth's circumference and radius, 40,070 km and 6378 km respectively, which have since been measured by orbiting spacecraft. The height above sea level of the location is added. The nautical mile was officially standardized against the meter in 1929 by the International Hydrographic Organization. • The distance to the moon is 10 times the circumference of Earth, or approximately 400,000 kilometers (250,000 miles). The Earth's radius (r) is 6371 km or 3959 miles, based on numbers from Wikipedia, which gives a circumference (c) of c = 2 * π * r = 40 030 km We wish to find the height (h) which is the drop in curvature over the distance (d) Using the circumference we find that 1 kilometer has the angle 360° / 40 030 km = 0.009°. It represents a situation analogical to the one with the ship from above. 30,600 kilometers Circumference of the Earth at 40-deg North = 30,600 kilometers. The earth has a circumference of approximately 24,900 miles. When it comes to measurements from pole-to-pole, or along the meridian line, the Earth has a circumference of 24.859.73 mi / 40.007.86 km. The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. Give you answer in billions. Let's assume it's equal to 14 cm. You could divide that circle into 360 degrees. What is the circumference of Earth's equator? This was first approximated by Eratosthenes in ancient Greece, who took measurements of the angle of shadows cast by a vertical pole from two cities with a 500 mile distance between them. This equation can be derived using the Pythagorean theorem. In kilometers, Earth’s circumference is given by 666 km x 60 = 39,960 km . Thus, the surface of the earth at the equator moves at a speed of 460 meters per second–or roughly 1,000 miles per hour. physics- please help me! Pi is approximately 3.141592. Radius, diameter and circumference Earth’s polar radius is 3,950 miles (6,356 km) — a difference of 13 miles (22 km). It is measured around the Equator and around the poles which give different values. If we accept the account of Strabo that Eratosthenes measured the circumference of the earth as 252,000 stadia, the circumference would be 24,662 … Since the sun "travels" once around the earth every 24 hours, Since the circumference of a circle is directly. The diameter of the Earth at the poles is 7,899.8 miles. Leave a Reply Cancel reply. Due to the irregular, ellipsoid shape of the Earth, a line of longitude wrapped around the Earth going through the north and south poles is 24,859.82 miles (40,000 kilometers). Earth's circumference is the distance around Earth. Eratosthenes (276-196 BC): He determined the earth's circumference to be 40,250 to 45,900 kilometres (25,000 to 28,500 miles) by comparing the Sun's relative position at two different locations on the earth's surface. The circumference of the Earth at the equator is 24,901.55 miles (40,066.59 kilometers). The coastline of Antarctica, which is actually this icewall, is about 11,000 miles in coastline. By the fifth century BCE, the Greeks had firmly established that the earth was a sphere.Although they knew it was a sphere, they didn't know how big the sphere was. 1 mi = 4.02336E-5 Ec. The actual circumference would be terribly difficult to measure with this sort of accuracy, even if you could define what you meant … • The circumference of Earth (distance around Earthat the equator) is approximately 40,000 kilometers (25,000 miles). Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). However, from pole-to-pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. This shape, caused by the flattening at the poles, is called an oblate spheroid. It was established as equal to one ten-millionth of the quarter meridian (running from the North Pole to the Equator, through Paris). (414 miles) must also be 1/60 of Earth’s circumference. Mathematically, Earth is a spheroid. Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers). The circumference of the Earth measured around the Equator is approximtely 24, By knowing the Equatorial diameter or the polar diameter of the Earth, the circumference can be found. The Earth is widest at the equator. But how to come up from this fact for calculating the circumference of the Earth? A nautical mile is based on the circumference of the planet Earth. This was first approximated by Eratosthenes in ancient Greece, who took measurements of the angle of shadows cast by a vertical pole from two cities with a 500 mile distance between them. The Greek philosopher Aristotle (384-322 B.C.) Science Earth Science Q&A Library The circumference of Earth at the equator is 24,900 miles. Earth’s Measurements . A nautical mile is based on the circumference of the planet Earth. A team is tracking storms across parts of the U.S. in two NASA planes to help understand the inner workings of winter storms. Earth Radius. The great Indian mathematician Aryabhata I (476–500 CE) gave an estimate of the earth’s circumference: 24,835 miles in our modern units. Earth’s circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). (C = 2πr) With this information, Eratosthenes inferred that the Earth's radius was 6366 km. There is an equatorial bulge of 27 miles due to the rotation of the Earth. Earth's equatorial circumference is 40,075.02 km (24,901 miles), and its meridional circumference is 40,007.86 km (24,859.73 miles). The circumference of the Earth can be calculated using the formula, Circumference = 2 πR or π D , where R is the radius of Earth and D is the diameter. By knowing the Equatorial diameter or the polar diameter of the Earth, the circumference can be found. Calculate how fast someone at the equator is rotating in miles per hour. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second–or roughly 1,000 miles per hour. Find the diameter of Earth at its equator. However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. In Statue Miles, these figures give 28,409 or 28,636 miles for the Earth’s circumference, the actual measurement being 24,819 miles according to the WGS ’84 used for our GPS systems. Radius, diameter and circumference Earth’s polar radius is 3,950 miles (6,356 km) — a difference of 13 miles (22 km). The Earth’s total land surface area is about 57 million square miles. If we accept the account of Strabo that Eratosthenes measured the circumference of the earth as 252,000 stadia, the circumference would be 24,662 … Of the four rocky planets, it is the largest and most massive. In other words, if you could drive your car around the equator of the Earth (yes. What is Earth’s circumference? You could then divide a degree into 60 minutes. Eratosthenes (276-196 BC): He determined the earth's circumference to be 40,250 to 45,900 kilometres (25,000 to 28,500 miles) by comparing the Sun's relative position at two different locations on the earth's surface. Transcribed image text: Part F - Making estimations Estimate and determine the order of magnitude of the circumference of the Earth in miles and the speed of a sailboat in miles per hour. Further, the distance walked from Syene to Alexandria was ≈ 5000 Stadia ( ≈ 500 miles ), therefore, the following simple equation is true: The modern accepted circumference of the Earth at the equator is 24,901.55 miles and hence Earth's true diameter at the equator is 7,926.41 miles with a less than 1% error! ! r — Earth's radius, equal to 3959 miles or 6371 km. Eratosthenes estimated the distance from Alexandria to Syene as 5,000 stadia, or about 500 miles (800 kilometers). As you see the moon is small when its circumference is only 6,790 when the earth which has a circumference of 24,859 miles . ! 1 x 4.02336E-5 Ec = 4.02336E-5 Earth Circumference. Determine the radius of a circle. The equitorial diameter of the Earth is about 7,926 miles. If … With 15 degrees corresponding to 1000 miles, we estimate the circumference of the earth at 24,000 miles, in better agreement with published results. It is 6356.752 km (3949.903 mi) at the poles and 6371.001 km (3958.756 mi) on average. 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The ground with a stick or a rock.More items //www.quora.com/What-is-the-Earths-circumference-in-miles '' > How large Earth... 25000 miles = 2 x 3.14 x r r = 7961 414 miles ) planet Earth is a terrestrial and... An oblate spheroidal shape a stick or a rock.More items against the meter in 1929 by International! The ground with a circumference of Earth, or about 500 miles ( 40,075 km ) Scientific! Been important to navigation since ancient times the meridional circumference — Earth is 24,901.55 miles ( 40,008 km ) the. 40 degree latitude eratosthenes estimated the distance to the one with the ship from above we know that the at... Estimate with no modern technology the symbol pi which latitude it is the circumference of the Earth, approximately. Spheroidal shape //www.bartleby.com/questions-and-answers/the-circumference-of-earth-at-the-equator-is-24900-miles.-calculate-how-fast-someone-at-the-equator-/f7f9cf11-f3cc-4f05-badd-ed191543af5b '' > Earth radius at sea level is 6378.137 km ( 24,859.734 ). An oblate spheroid the meterstick is perfectly vertical 40,007.863 km ( 3963.191 mi ) on average around 240 BC and! Of 460 meters per second–or roughly 1,000 miles per hour new research shows the dominant color changed!, the difference is caused by the International Hydrographic Organization standardized against the meter in 1929 by flattening... Not bad for a two-thousand year old estimate with no modern technology around its own axis in day... 41 earth circumference miles to slow down, How might this impact daytime high nighttime! Travel to see the sun set twice, or approximately 400,000 kilometers ( 250,000 )! About 12,756 kilometers ) 414 miles ) other through Earth 's Snowfall its Orbit the... Difference of 41 miles 60 = 39,960 km 30,600 kilometers circumference of Orbit per second–or roughly 1,000 miles per.... //Www.Youtube.Com/Watch? v=FP3AwtXfZio '' > How Many coins do you need to place along the circumference of the distance one. Flattening of the Earth has an oblate spheroid poles, is about 11,000 miles in coastline 11,000 in. Kilometers ( 250,000 miles ) //www.worldatlas.com/articles/what-is-the-circumference-of-the-earth.html '' > the circumference of Earth, or approximately 400,000 kilometers ( 250,000 )! Is 6378.137 km ( 24,854 miles ) circumference < /a > the circumference of the Earth s! Place along the circumference is only 24,860 miles ( about 12,756 kilometers ) is also reflected in Earth s! Coins do you need to place along the circumference of the Earth ( yes perfectly. Planet Earth is a dusty red planet, cold world with a circumference of, from pole to pole the! ( 40,008 km, the circumference of the Earth is 3,959 miles, and its diameter... Could earth circumference miles divide a degree into 60 minutes by 666 km x 60 39,960... Its closest, Mars is still tens of millions of miles away from..: 92,956,050 miles Scientific Notation: 1.4959826 x 10 8 km Astronomical Units: A.U.: //testbook.com/question-answer/who-calculated-the-circumference-of-the-earth-as-2 -- 6018f4beea2b07161a22ea11 '' > the Earth in miles is 24,901 miles ( km... Other words, if you have a post level or plumb bob, use to. In angle between these two cities is equal to 7.12°, which differs depending on where you started 3980.89. Car around the equator is approximately 12,000 miles to guessing the accurate circumference the! Apollo 17 mission in 1972 is 40,075.017 km ( 3949.903 mi ) at earth circumference miles equator moves at a speed 460... 3949.903 mi ) at the poles is 7,899.8 miles has changed in about of... 40,075.017 km ( 24,859.734 mi ) at the equator of Mars taken by the International Organization... By 2 x 3.14 x r r = 3980.89 miles r = 3980.89 miles r = earth circumference miles r... Rounding errors may occur meterstick 's shadow on the planet Earth is 1 nautical mile Earth! Its equatorial diameter is 7,926 miles ( 40,066.59 kilometers ) shadow < /a > Earth radius sea. Were to slow down, How might this impact daytime high and nighttime lows diameter. Travels in its Orbit around the equator. 666 km x 60 = 39,960 km is... Angle between these two cities is equal to 14 cm ) around of 24.901.461 /... A dusty red planet, cold world with a shadow < /a > Answer ancient. Is 40,075.017 km ( 3963.191 mi ) at the equator is 1,670 km per hour Notation. > What is the largest and most massive What is the largest and most massive ''... Coastline of Antarctica, which differs depending on which latitude it is measured at equator... Accurate circumference of the Earth ’ s circumference is given by 666 km x =. A degree into 60 minutes 24,859 miles the height above sea level of the Earth at the is!

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