What is the circumference of the Earth? How far around is the Earth? ... More precisely the circumference of the earth at the equator is 24,902 mi / 40,076 km. ... Since the sun "travels" once around the earth every 24 hours, we can get the speed by dividing the circumference of the earth by 24:
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The circumference of the earth at the equator is 24,901.55 miles (40,075.16 kilometers). But, if you measure the earth through the poles the circumference is a bit shorter - 24,859.82 miles (40,008 km). This the earth is a tad wider than it...
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Here you will find a listing of essential facts about the planet earth, the home to all of humanity: ... 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)
geography.about.com/od/learnabouttheearth/a/earthfacts.... geography.about.com/od/learnabouttheearth/a/earthfacts.htm
History of geodesy - Wikipedia, the free encyclopedia
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Humanity has always been interested in the Earth. During very early times this interest was limited, naturally, to the immediate vicinity of home and residency, and the fact that we live on a near sph...
en.wikipedia.org/wiki/History_of_geodesy
Earth Mean Orbital Elements (J2000) ... Note: Re denotes Earth radii, 6,378 km ... Planetary Fact Table - metric units ; Planetary Fact Table - U.S. units ; Planetary Fact Table - Earth ratio...
nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html
The Earth is an oblate ellipsoid, meaning it is a sphere that is slightly flattened at the poles and bulging at the equator. The distance around the Earth at the equator is 24,902 miles (40,075 kilometers). The distance around the Earth thr...
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Subject: What is the EXACT circumference of the Earth (both equatorial and polar)? ... Area of science: Earth Sciences; ID: 976429348.Es ... MadSci Network: Earth Sciences...
www.madsci.org/posts/archives/dec2000/976555083.Es.q.ht... www.madsci.org/posts/archives/dec2000/976555083.Es.q.html
Although it is over 2000 years old, Eratosthenes' method is still basically how we measure the earth's circumference. What we do now, however, is to independently verify the measurement using satellite based Very Long Baseline Interferometry (or VLBI).
www.madsci.org/posts/archives/2006-08/1155321706.Es.r.h... www.madsci.org/posts/archives/2006-08/1155321706.Es.r.html
More Questions The Question: What is the circumference of the Earth? The Answer: At the equator, the Earth's circumference is 24,830 miles (40,000 km). —The Fact Monster Information Please® Database, © 2007 Pearson Education, Inc.
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He found that at the same time, in Alexandria, Egypt, approximately 787 km due north of Syene (now Aswan), the angle of inclination of the sun’s rays was about 7.2°. With these measurements he computed the diameter and circumference of the earth.
answers.yahoo.com/question/index?qid=20060713174323AAj9... answers.yahoo.com/question/index?qid=20060713174323AAj9wJJ
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