Eratosthenes circumference
WebMay 31, 2024 · Eratosthenes obtained a value close to 7.2 degrees, or 1/50th the circumference of a circle. To finish his calculation he needed a sufficiently accurate estimate of the distance between the two cities. WebJul 8, 2024 · Eratosthenes estimated the circumference to be 252,000 stades, which is approximately 40,074 kilometers. Shockingly enough… the real polar circumference is only 66 kilometers greater than this …
Eratosthenes circumference
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WebThe common Attic stadium was about 185 metres (607 feet), which would imply a circumference of 46,250 kilometres or 28,740 miles, which is 6,250 kilometres (3,880 miles) different from the currently accepted circumference of the Earth (40,000 kilometres or 25,000 miles). 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 …
WebDec 27, 2024 · Eratosthenes hired a man to pace the distance between the two cities and learned they were 5,000 stadia apart, which is about 800 kilometers. He could then use simple proportions to find the... WebFeb 3, 2024 · The radius and circumference of the Earth were first measured in around 200 BCE by a man named Eratosthenes (276 BC – 194 BCE). A true polymath, Eratosthenes was an astronomer, …
WebEratosthenes’ Circumference of the Earth Eratosthenes was a brilliant mathematician, scholar and poet that was able to calculate the circumference of the Earth when he lived in late 200s B.C. Eratosthenes is highly praised for this great accomplishment because he did not have any modern tools that we have today and was able to calculate the Earth’s …
WebEratosthenes multiplied 50 x 5000 to get an answer of 250,000 stades for Earth’s circumference. He then added a correction of 2000 stades (lacking his original work, we don’t know why he did this) and concluded that: …
WebFind the circumference of the earth! In this lesson students complete the easy experiment Eratosthenes completed over 2000 years ago. While you won't be accurate in your data because you probably won't be doing this on the solstice at local noon, you can still give your kids a hands on experience in the sandals of the Ancient Thinkers. computer business peopleWebEratosthenes' method for measuring the circumference of the Earth (obviously, not to scale). Since there are 360 degrees in a circle, by dividing the central angle into 360, he could calculate how many similar sectors would be needed to complete a circle. He hired someone to measure the overland distance between the two cities. computer business modelWebOct 31, 2024 · The Earth’s circumference was first accurately measured more than 2,200 years ago by a Greek astronomer named Eratosthenes. Eratosthenes method was very simple; he measured the length of a shadow from a vertical stick of a known … echuca driving schoolWebJun 8, 2024 · Aristotle not only taught that Earth was spherical but also mentioned early estimates of Earth’s circumference. Mathematicians of his time had estimated Earth’s circumference to be “400,000 stadia”, or 62,880-66,680km (39,000-41,500 miles), depending on how stadia are converted to modern metric units. computer business profileWebJul 29, 2024 · How Eratosthenes discovered the circumference of the Earth Born in Cyrene, an ancient Greek colony in modern-day Libya in 276 BC, Eratosthenes was … computer business review alexander swordWebEratosthenes analyzed the observations with the assumption that the earth is a sphere and the sun is very far away. The geometry of the situation is sketched at the right. He concluded that the circumference of the earth was about 50 times greater than the distance from Alexandria to Aswan. His results and modern results agree within about 10%. computer business majorWebSep 7, 2024 · In 200 B.C. Eratosthenes estimated Earth’s circumference at about 46,250 kilometers (28,735 miles). Today we know our planet's circumference is roughly 40,000 … echuca facebook