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Greek calculation earth circumference

WebHowever, the Greek mathematician Eratosthenes was able to estimate the circumference of the Earth over two thousand years ago, without the aid of any modern technology. How? ... Using geometry*, this allowed him to calculate the circumference of the Earth using this equation: He knew there were 360 degrees in a circle. ... WebJun 8, 2024 · How did the Greeks Measure the Earth’s Circumference? Deductive Reasoning and the Emergence of Science. Ancient cultures …

Eratosthenes: The Measurement of the Earth

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) … http://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/Datums/Determining%20the%20earths%20size.htm raw water nfpa https://hotel-rimskimost.com

How an Ancient Greek Calculated the Earth

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 … WebDec 14, 2024 · The first person to calculate the Earth's circumference was Eratosthenes, a Greek mathematician, in 240 B.C. He discovered that objects in a city on the Northern … 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 … raw water pumping station

Eratosthenes: The Measurement of the Earth

Category:Eratosthenes of Cyrene (c. 276-c. 194 BC) - David Darling

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Greek calculation earth circumference

How did the Greeks Measure the Earth’s Circumference?

WebHe 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 … 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.

Greek calculation earth circumference

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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 … 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 ...

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 … WebSep 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 …

WebEratosthenes 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 … http://www.classichistory.net/archives/eratosthenes-circumference-of-earth

WebEratosthenes of Cyrene (/ ɛr ə ˈ t ɒ s θ ə n iː z /; Greek: Ἐρατοσθένης [eratostʰénɛːs]; c. 276 BC – c. 195/194 BC) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist.He …

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 … simple minds all songsWebOct 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 … raw water pumps for boatsWebEratosthenes' method to calculate the Earth's circumference has been lost; what has been preserved is the simplified version described by Cleomedes to popularise the discovery. ... A parallel later ancient measurement of the size of the Earth was made by another Greek scholar, Posidonius (c. 135 – 51 BC), ... raw water pump stationWebMay 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 … raw watermelon cakeWebA 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 … raw watermelon seeds health benefitsWebThe 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. raw water pump impellerWebConveniently, 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 … raw water pumpsets