Greek estimate of earth's circumference
WebFeb 3, 2024 · So in other words, 5000 stades along the circumference of the Earth was equal to 7.2 degrees of arc along the circumference of the Earth. And because 7.2 degrees is equal to 1/50th of a full sphere … WebJul 29, 2024 · He could then use simple proportions to find the Earth’s circumference—7.2 degrees is 1/50 of 360 degrees, so 800 times 50 equals 40,000 kilometers. And just like …
Greek estimate of earth's circumference
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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) by comparing the Sun's relative … WebThat unit is mentioned by Pliny when he equated 40 of them to 12,000 royal cubits, of which each is about 0.525 meters. Therefore, 1 stadia is 300 cubits, which is 157.5 meters, which is about 516.73 feet. Therefore, …
WebThe goal of this project is to estimate the circumference of the earth by setting up a mathematical proportion from simple measurements. Introduction In 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 great library at ... WebThe resulting estimate, about 25,000 miles (40,234 km), is astonishingly accurate. In making his calculations Eratosthenes measured distance in stadia, a unit of measure …
WebStudy with Quizlet and memorize flashcards containing terms like Which of the following individuals estimated the circumference of the earth and the distance to the sun and the moon? a. Archimedes b. Eratosthenes c. Aristarchus d. Euclid, Traders were part of the _____ class. a. noble c. lower b. upper d. middle, The Hellenistic Age was a time of great … http://www.geo.hunter.cuny.edu/~jochen/gtech201/lectures/lec6concepts/Datums/Determining%20the%20earths%20size.htm
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 … chuckles online crossword clueWebUse the measurement to find that the angular Separation on the Earth's surface of Alexandria and syene is 7 degrees. 3 substitute values into angle between cities / 360 degrees equals the distance between cities divided by the Earth's circumference. 4 solve the equation to calculate the circumference of the Earth. desk built into bookshelfWebDec 19, 2013 · Harilal Krishna. Advertisement. Eratosthenes Eratosthenes, a Greek Mathematician, lived in Alexandria, Egypt, in the third century BC. Born 276 BC Cyrene Died 194 BC Alexandria Ethnicity Greek … desk built in wireless chargerWebJune, ca. 240 B.C. Eratosthenes Measures the Earth. Eratosthenes. By around 500 B.C., most ancient Greeks believed that Earth was round, not flat. But they had no idea how big the planet is until about 240 B.C., … desk built into kitchen cabinetsWebEarth's circumference was first accurately measured more than 2,000 years ago by the Greek astronomer Eratosthenes, who at the time lived in the Egyptian city of Alexandria. chuckle sound crosswordWebThen he could measure the angular distance in the sky between the Sun and the Moon, plus the Earth-Moon distance and geometry, to get the Earth-Sun distance. The most famous ancient estimate of the earth's circumference as made by Eratosthenes of Cyrene (c. 276-196 BCE), the librarian at the great library at Alexandria. desk buried under paperwork cartoon picsEarth'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). Measurement of Earth's circumference has been important to navigation since ancient times. The first known scientific measurement and calculation was done by Eratosthenes, who achieved a g… chuckles orange candy