21. YouTube - ERATOSTHENES The Librarian Who Measured The This picture book covers the life of Eratosthenes of Cyrene, a geographer who estimated the circumference of the Earth in around 200 B.C.. Though he was in fact a librarian http://www.youtube.com/watch?v=UpPP8k5Mrtg

22. Eratosthenes Of Cyrene (ca. 284-ca. 192 BC) From Eric Weisstein Consummate Greek scholar whose status as second best in each field earned him the nickname Beta. He served as librarian at the great library in Alexandria, and wrote works of http://scienceworld.wolfram.com/biography/Eratosthenes.html

23. Eratosthenes Of Cyrene Biography BookRags.com Eratosthenes of Cyrene biography, including 2 pages of information on the life of Eratosthenes of Cyrene. http://www.bookrags.com/biography/eratosthenes-of-cyrene/

24. Eratosthenes Of Cyrene (c.276-c.194 B.C.) Greek scholar and Librarian of the ALexandrian Library, who was the first person to determine the circumference of the Earth. He compared the midsummer's noon shadow http://www.daviddarling.info/encyclopedia/E/Eratosthenes.html

25. Eratosthenes Of Cyrene Eratosthenes of Cyrene. A postulate of spherical astronomy is that the Earth is a small point in relation to the heavenly bodies. From this Eratosthenes reasoned the Sun's rays http://www.share2.esd105.wednet.edu/jmcald/Aristarchus/eratosthenes.html

26. Eratosthenes Of Cyrene Biography Eratosthenes of Cyrene biography. Who is Eratosthenes of Cyrene? Eratosthenes of Cyrene bio. http://biography.yourdictionary.com/eratosthenes-of-cyrene

27. Eratosthenes Of Cyrene Definition Of Eratosthenes Of Cyrene In The Eratosthenes of Cyrene (born c. 276 BC, Cyrene, Libya—died c. 194, Alexandria, Egypt) Greek scientific writer, astronomer, and poet. He settled in Alexandria c. 255 BC and http://encyclopedia2.thefreedictionary.com/Eratosthenes of Cyrene

28. Eratosthenes Of Cyrene Born 276 BC in Cyrene, North Africa (now Shahhat, Libya) Died 194 BC in Alexandria, Egypt http://www.gap-system.org/~history/Printonly/Eratosthenes.html

29. Eratosthenes Of Cyrene (276 B.C.-194 B.C.) World Of Earth Science Greek astronomer. Using elegant mathematical reasoning and limited empirical measurement, in approximately 240 B.C., Eratosthenes of Cyrene (in currentday Libya) made an http://www.enotes.com/earth-science/eratosthenes-cyrene-276-b-c-194-b-c

30. Eratosthenes Of Cyrene - Hutchinson Encyclopedia Article About Eratosthenes was born in Cyrene (now Shahhat, Libya) and educated in Athens. At the age of 30 he was invited by Ptolemy III Euergetes to become tutor to his son and to work in http://encyclopedia.farlex.com/Eratosthenes of Cyrene

31. Introduce Eratosthenes Eratosthenes of Cyrene. Eratosthenes of Cyrene lived from 276 BC to 194 BC. He was born in Cyrene, North Africa which is now part of Libya. He studied in Cyrene, later in http://banach.millersville.edu/~bob/math478/History/sieve.html

32. Eratosthenes Of Cyrene Echo A versatile scholar, Eratosthenes of Cyrene lived approximately 275195 BC. He was the first to estimate accurately the diameter of the earth. http://echo.gmu.edu/node/2041

33. Eratosthenes Of Cyrene Definition Of Eratosthenes Of Cyrene Find out what Eratosthenes of Cyrene means A Dictionary of Scientists has the definition of Eratosthenes of Cyrene. Research related newspaper, magazine, and journal articles http://www.highbeam.com/doc/1O84-EratosthenesofCyrene.html

34. Eratosthenes Of Cyrene Biography of Eratosthenes (276BC194BC) Born 276 BC in Cyrene, North Africa (now Shahhat, Libya) Died 194 BC in Alexandria, Egypt http://info.math.nankai.edu.cn/navigate/math/history/Mathematicians/Eratosthenes

35. YouTube - Eratosthenes Of Cyrene The Astronomer Eratosthenes of Cyrene (Greek Ἐρατοσθένης; c. 276 BC1 c. 195 BC) was a Greek mathematician, elegiac poet, athlete, geographer, and astronomer. He made several http://www.youtube.com/watch?v=sOyH6yXVWqA

36. Eratosthenes Of Cyrene Definition Of Eratosthenes Of Cyrene Find out what Eratosthenes of Cyrene means The Concise Oxford Dictionary of Mathematics has the definition of Eratosthenes of Cyrene. Research related newspaper, magazine, and http://www.highbeam.com/doc/1O82-EratosthenesofCyrene.html

37. No. 1457 Eratosthene's Diameter Of Earth Eratosthenes's 2200 year old calculation of Earth's size by John H. Lienhard. Click here for audio of Episode 1457. Today, we measure the earth. http://www.uh.edu/engines/epi1457.htm

38. Eratosthenes, Measuring The Earth - Timeline Index Eratosthenes of Cyrene was a Greek scholar who lived and worked in Cyrene and Alexandria. Eratosthenes was director of the famous library in Alexandria, and is known for http://www.timelineindex.com/content/view/1135

39. Where Did Eratosthenes Of Cyrene Die? Britannica Online Where did Eratosthenes of Cyrene die? Eratosthenes of Cyrene died in Alexandria, Egypt circa 194 See more facts at Britannica.com http://www.britannica.com/facts/4/9827/

40. Eratosthenes Of Cyrene (Ancient Greek Mathematician And Scientist Alchemipedia A Blog Style Encyclopedia Animals - Arts - Culture - Dates - Geography - History - Lists - Mnemonics - Numbers - People - Poetry - Science - Technology - Years http://alchemipedia.blogspot.com/2009/09/eratosthenes-of-cyrene-ancient-greek.ht

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