Eratosthenes and earth's circumference
WebJun 28, 2024 · File:Eratosthenes measure of Earth circumference.svg. From Wikimedia Commons, the free media repository. File. File history. File usage on Commons. File usage on other wikis. Metadata. Size of this … WebMar 26, 2016 · Eratosthenes divided 360° by 7.2° and got 50, which told him that the distance between Alexandria and Syene (500 miles) was 1/50 of the total distance around the Earth. So he multiplied 500 by 50 to arrive at his estimate of the Earth's circumference: 25,000 miles. This estimate was only 100 miles off the actual circumference of 24,900 …
Eratosthenes and earth's circumference
Did you know?
WebAug 7, 2024 · We can then figure out the difference between these angles and plug it into the formula: angle 360 ° = distance circumference of the earth circumference of the earth = 360 ° angle × distance. Now I would like to do a similar experiment. My family has friends who live 1260km west (and a little south) from us. http://scihi.org/eratosthenes/
WebDec 10, 2016 · Image: juliantrubin.com. So, if one would know the distance between Syene and Alexandria, s/he could calculate the circumference of the Earth. 360/7 is close to 1/50th of a circle, so Eratosthenes … WebEratosthenes Research Paper. 1118 Words5 Pages. Eratosthenes’ 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 ...
WebThe measure 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, with an … WebIf we accept the account of Strabo that Eratosthenes measured the circumference of the earth as 252,000 stadia, the circumference would be 24,662 miles, and the polar diameter 7,850...
WebMay 4, 2024 · It profs the spherical shape of the Earth. But how to come up from this fact for calculating the circumference of the Earth? Eratosthenes thought the following way. …
WebThe latest measurements show that the correct distance from Alexandria to Assouan is 500 miles and if Eratosthenes had known this, the result of his calculation of the Earth’s circumference would have been: 50 x 500 = … glory motors llcWebSep 7, 2024 · Observations and results In 200 B.C. Eratosthenes estimated Earth’s circumference at about 46,250 kilometers (28,735 miles). Today we know our planet's … glory motoshopWebJan 14, 2024 · Eratosthenes is considered the inventor geography, particularly because he developed the system of latitudinal and longitudinal lines to map the world. He calculated the Earth’s tilt with remarkable … bohrensmoving.comWebE., Eratosthenes of Cyrene made a famous measurement of the circumference of the Earth. This was not the first such measurement, but it is the earliest for which significant details are preserved. Cleomedes gives a short account of Eratos-thenes’ method, his numerical assumptions, and the final result of 250,000 stades. bohrens fine art transportationWebPutting Eratosthenes result into modern units, his estimate of the circumference of the Earth is as follows: Circumference = 50 x 5000 stadia = 250,000 stadia 250,000 stadia x 185 meters/stadion = 46,250 kilometers The modern measurement is 40,070 kilometers. Eratosthenes' estimate is only about 15% too large! Claudius Ptolemy (c. 140 AD) bohrentgraterWebSyrene is equal to the angle α measured by Eratosthenes. Explain why the angles are equal. 2. A proportion is an equation of the form: M N = P Q . Write a proportion that relates the following four quantities: d, the distance bewteen Alexandria and Syene, c, the circumference of the Earth, a, the angle that Eratosthenes measured, and 360 o. bohren \\u0026 associatesWebThe 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. By using a simple gnomon, he found that at Syene, ... the sun at the summer solstice cast no shadow at all: it was exactly overhead. ... glory mountain church