Greek calculation earth circumference

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August undefined, 2024

http://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/Datums/Determining%20the%20earths%20size.htm WebDec 27, 2024 · If the Earth really was a sphere, Eratosthenes could use his observations to estimate the circumference of the entire planet. Since …

Who suggested the approximate size of the earth?

WebMay 1, 2024 · Knowing how many stadia a camel could walk in a day, Eratosthenes estimated the distance between the two cities by multiplying the distance a camel walked … WebA stade was an ancient Greek unit of measurement (150-200 meters). He also assumed that Syene was due south of Alexandria and on the same meridian of longitude. This would mean that the distance between the … grantsburg wi gun club

On the Sizes and Distances (Aristarchus) - Wikipedia

Webthis means he found that the circumference of the earth was 250,000 stadia, according to Cleomedes, ... The Greek stadium was 606·75 ft., ... great triumphs of scientific calculation. WebAbū Rayḥān Al-Bīrūnī, a pioneering Muslim scientist figured out a truly remarkable and ingenious method to calculate the radius of the earth (and subsequently its circumference).This method was very simple yet … WebEratosthenes (c. 276 – c. 194/195 BC), a Greek mathematician who calculated the circumference of the Earth and also the distance from the Earth to the Sun. Hipparchus (c. 190 – c. 120 BC), a Greek … chip jelly bean keyfinder

Determining the earth

WebOct 14, 2024 · Aristotle is the first person credited with trying to calculate Earth's size and was, therefore, an early geodesist. The Greek philosopher Eratosthenes followed and was able to estimate the Earth's … WebThe famous Greek mathematician named Eratosthenes was born in Cyrene, Greece, better known now as Libya, in North Africa, in 276 B.C.E. He died in 194 B.C. due to starvation after becoming blind at an old age. Eratosthenes was well known as the first person to calculate the earth circumference, as well as, a geographer, astronomer and historian. chip jay martinWebEratosthenes then used this to calculate the circumference of the Earth to be about 250,000 stadia. Modern scholars disagree about the length of the stadium used by Eratosthenes. Values between 500 and about 600 feet … grantsburg wi high school basketball

"WebDetermining the earth's size. 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. The philosopher Plato … " - Greek calculation earth circumference

Greek calculation earth circumference

Eratosthenes Calculates the Circumference of the Earth

WebA man named Eratosthenes is usually credited with making the first accurate calculation of Earth's polar circumference more than 1400 years before Columbus' voyages. A polar circumference is a circle around Earth that passes through both the North and South Geographic Poles. ... All of the planets, except for Earth, were named after Greek and ... WebIn this video I give a brief description of how Eratosthenes calculated the earth's circumference. And he didn't even use a calculator!Twitter: @MisterD418M...

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WebOct 18, 2024 · The world’s academics didn’t stop calculating the earth’s circumference, and by 250 BCE, one Greek scholar would find the most accurate measurement of them all. ... With those figures, Eratosthenes could easily calculate the circumference of the earth. The number he came to was estimated at 39,375 km – frighteningly close to the true ... WebApr 25, 2024 · The circumference of the Earth is 40,075 km, and the Greek geographer Erastosthenes was the first person to estimate the Earth's circumference nearly accurately. Before Erastosthenes, other scholars had attempted to estimate the figure, but their methods were not recorded, and their estimations were far from accurate.

WebIn the third century BCE, Eratosthenes, a Greek librarian in Alexandria, Egypt, determined the earth's circumference to be 40,250 to 45,900 kilometers (25,000 to 28,500 miles) … WebDec 10, 2016 · Image: juliantrubin.com. So, if one would know the distance between Syene and Alexandria, s/he could calculate the circumference of the Earth. 360/7 is close to 1/50th of a circle, so Eratosthenes concluded …

WebSep 27, 2015 · The greek way – 240 BC. 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 … WebMay 28, 2024 · This means that you have moved 30 degrees around the Sphere (Earth) in those 400 miles. Well, since there are 360 degrees in a circle and 30/360 = 1/12, then 400 must be 1/12th of the total …

http://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/Datums/Determining%20the%20earths%20size.htm

WebUsing this measure, Eratosthenes was able to calculate a circumference that varies only a few percent from the modern value of 24,902 miles (40,076 km) at the equator. It is necessary to specify that this is the circumference at the equator because the Earth is actually an oblate (slightly compressed) sphere with a bulge in the middle, making ... chip java downloadWebNov 18, 2024 · THE CIRCUMFERENCE OF EARTH WAS ALSO KNOWN: More than 2,000 years ago Eratosthenes compared the position of the Sun’s rays in two locations to calculate the spherical size of the Earth with reasonable accuracy. Eratosthenes was born in the Greek colony Cyrene, now the city of Shahhat, Libya. As a young man, he traveled … grantsburg wi historyhttp://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/Datums/Determining%20the%20earths%20size.htm grantsburg wi houses for saleWebConveniently, 7.2 degrees is 1/50th of a full circle ( 50 x 7.2° = 360° ). Eratosthenes understood that if he could determine the distance between Alexandria and Syene, he … grantsburg wi high schoolWebEarth's circumference is the distance around Earth. Measured around the Equator, it is 40,075.017 km (24,901.461 mi). Measured around the poles, the circumference is 40,007.863 km (24,859.734 mi). [1] Measurement … grantsburg wi post officeWebSep 4, 2024 · As it turns out, the meridional circumference of Earth (from pole to pole) is roughly 40,008 km, and the equatorial circumference is about 40,075 km (it's bigger at … chip ivcamWebSep 7, 2024 · Calculate the circumference of the Earth using this equation: Circumference = 360 x distance between your city and the equator / angle of shadow … chip jenkins national park service