Greek calculation earth circumference
WebEratosthenes (276 BC-194 BC) was a Greek mathematician, geographer and astronomer. He was born in Cyrene (now Libya) and died in Ptolemaic Alexandria. He is noted for devising a map system based on latitude and … WebEarth'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 …
Greek calculation earth circumference
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WebSep 7, 2024 · Calculate the circumference of the Earth using this equation: Circumference = 360 x distance between your city and the equator / angle of shadow … WebIn this project, you will estimate the circumference of the earth, using a method developed about 2,200 years ago, by Eratosthenes, a Greek mathematician and the librarian of the …
WebAristotle's Circumference of the Earth The first recorded mention of the Earth’s length around its middle comes from Aristotle, who claimed it was 400,000 stadia in his On the Heavens II. That unit is mentioned by Pliny … WebJan 11, 2024 · So, if 804 km or 500 mi. (or 5,000 stadia for Eratosthenes) was 1/50th, multiplication gives you the earth's circumference: 500 mi. x 50 = 25,000 mi. 804 km …
WebDec 27, 2024 · If the Earth really was a sphere, Eratosthenes could use his observations to estimate the circumference of the entire planet. Since … 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 …
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 ...
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. sichuan university huaxi campusWebHe 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. He also knew the approximate distance between Alexandria and Syene, so he could set … sichuan university online application systemWebIn 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... the persuit of hapinessWebthis 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. the persuit of the perfect portfolioWebJan 14, 2024 · After determining the distance between the two cities and accounting for the Earth’s curvature, Eratosthenes determined the angle of the shadow from the vertical … sichuan university international admissionWebEratosthenes measured the circumference of the Earth without leaving Egypt. He knew that on the summer solstice at local noon at the Syene on the Tropic of Cancer, the sun would appear at the directly overhead.He also knew, from measurement, that in Alexandria, the angle of elevation of the sun would be 1/50 of a full circle (7°12') south of the zenith … sichuan university wikipediahttp://www.classichistory.net/archives/eratosthenes-circumference-of-earth sichuan university zip code