WebSep 7, 2024 · Use a protractor to measure the angle between the string and the meterstick in degrees. Write this angle down. Look up the distance between your city and the … WebSep 7, 2024 · Use a protractor to measure the angle between the string and the meterstick in degrees. Write this angle down. Look up the distance between your city and the equator. Calculate the circumference ...
How Did the Ancient Greeks Measure the Circumference of the …
WebThe Greek philosopher Aristotle (384-322 B.C.) is credited as the first person to try and calculate the size of the Earth by determining its circumference (the length around the … Eratosthenes of Cyrene was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. His work is comparable to what is now known as the study of geography, and he introduced some of the … See more The son of Aglaos, Eratosthenes was born in 276 BC in Cyrene. Now part of modern-day Libya, Cyrene had been founded by Greeks centuries earlier and became the capital of Pentapolis (North Africa), a country of five … See more Eratosthenes was one of the most pre-eminent scholarly figures of his time, and produced works covering a vast area of knowledge before and during his time at the Library. He wrote on many topics – geography, mathematics, philosophy, chronology, literary … See more • Aujac, G. (2001). Eratosthène de Cyrène, le pionnier de la géographie. Paris: Édition du CTHS. 224 p. • Bulmer-Thomas, Ivor (1939–1940). Selections Illustlating the History of Greek Mathematics. Cambridge, Massachusetts: Harvard University Press. See more Measurement of Earth's circumference The measurement of Earth's circumference is the most famous among the results obtained by Eratosthenes, who estimated that the meridian has a length of 252,000 stadia (39,060 to 40,320 kilometres (24,270 to 25,050 … See more • Aristarchus of Samos (c. 310 – c. 230 BC), a Greek mathematician who calculated the distance from the Earth to the Sun. • Eratosthenes (crater) on the Moon. • Eratosthenian period in the lunar geologic timescale. See more flame breath demon slayer rpg 2
Eratosthenes - Wikipedia
WebDec 28, 2024 · How an ancient Greek mathematician calculated the Earth's circumference. In the mid-20th century, we began launching satellites into space that would help us determine the exact … WebJan 11, 2024 · Back in 240 B.C.E., a Greek named Eratosthenes calculated the circumference of the earth. Today we know how to measure circumference of many things, including earth, using many modern tools, but Eratosthenes did it with a well, the sun, and a stick. Setting the cosmological stage. Our sun is very far away from earth, … can pc here you