[DOC] [TLE] Eratosthenes - Wikipedia [PAR] Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, 
astronomer, and music ... Additionally, he may have accurately calculated the 
distance from the Earth to the Sun and invented the leap day. He created the .... 
Eratosthenes calculated the circumference of the Earth without leaving Egypt. He 
knew that at... [DOC] [TLE] Eratosthenes' Calculation of Earth's Circumference [PAR] Jul 20, 2007 ... Eratosthenes' Calculation of Earth's Circumference ... was able to make a 
remarkably accurate calculation of the circumference of Earth. ... He may have 
been correct to within less than 1%, a remarkable accomplishment! [DOC] [TLE] The Man Who Accurately Estimated the Circumference of the Earth ... [PAR] Jan 1, 2014 ... Today I found out about a man who fairly accurately estimated the circumference 
of the Earth well over 2,000 years ago: Eratosthenes of... [DOC] [TLE] How did Eratosthenes measure the circumference of the earth ... [PAR] Jul 3, 2012 ... The Greek mathematician Eratosthenes realized that on the day of the ... This is 
15%. ... 2000 years ago was located at 41 kms distance-To calculate the ... 
astrolabe was not very accurate really (worse primitive astrolabes),... [DOC] [TLE] Eratosthenes' measurement of the Earth's circumference - The Flat ... [PAR] Jan 21, 2013 ... He calculated the circumference of the Earth without leaving Egypt. ... which is off 
the actual circumference by 16.3%; too large an error to be considered as '
accurate'. ... I'm guessing the 2000 years have muddied the water and fudged the 
numbers a little. ..... Reply #15 on: January 25, 2013, 07:11:21 AM . [DOC] [TLE] Ancient Measurements of the Circumference of the Earth - Metrum.org [PAR] Kleomedes reports that Eratosthenes calculated the latitude of Alexandria in 
Egypt .... This indicates that the method of observation was accurate within the 
range of ... error in defect of 14' to 15', which corresponds to the semidiameter of 
the sun. ..... reached the maximum angle, which would be about 2353' in 2000 
B.C.! [DOC] [TLE] Ptolemy's longitudes and Eratosthenes' measurement of the earth's ... [PAR] measurement of the Earth's circumference was remarkably accurate. ... had 
determined it as 157.5 meters [Hultsch 1882] and this measure was .... 
measurement error was probably within a few percent. 3. ... the round figures 
reported by Cleomedes, but afterwards had added 2000 stadia .... 15[Shcheglov 
20032007, p. [DOC] [TLE] Eratosthenes and the Mystery of the Stades - SIGMAA  History of ... [PAR] believe that the accuracy of his measurement is greatly exaggerated. ... Before 
his famous calculation of the Earth's circumference, Eratosthenes attempted the. [DOC] [TLE] #112 TITLE: World according to Eratosthenes DATE: 194 B.C. ... [PAR] More symmetrical than accurate, its partitions were the forerunners of parallels ... 
particularly for his remarkable measurement of the circumference of the earth. ... 
A calculation of 300,000 stades is credited to Dicarchus (died 296 B.C.), .... 
stades Eratosthenes, using another mathematical ploy, added 2,000 at each end,
... [DOC] [TLE] Newton, Copernicus, Galileo and Kepler were RE-Discovering ... [PAR] Sep 3, 2016 ... Reply #2000  Today at 05:29:19 AM ... It doesn't depend on Lelgemann's highly 
debatable contentions that his number was accurate to within 0.1% or whatever 
you're claiming. ... Quote from: Dave Hawkins on Today at 03:45:15 AM ... 
Eratosthenes calculated the circumference of the Earth without leaving... [DOC] [TLE] Electropaedia History of Science and Technology, Development of ... [PAR] 60 is divisible by 1,2,3,4,5,6,10,12,15,20,30 and 60 making it more convenient 
than ... Circa 2000 B.C. The process for making wrought iron was discovered by 
the Hittites, .... he could possibly undertake was limited by the lack of suitable 
accurate measuring instruments in ... Eratosthenes measured the diameter of the 
Earth. [DOC] [TLE] who came up with this? mathematics history in ... - Carroll Collected [PAR] Eratosthenes and how he calculated the circumference of the earth, and ... 
famous results is from 240 B.C. when he produced a fairly accurate calculation 
for the .... Page 15 .... you adjust the activity to

Question: In the 200s Eratosthenes calculated the circumference of this within about 15% of accurate
Answer: The Earth