Eratosthenes Eratosthenes was born in Cyrene. there he read to the highest layer a vertical wellspring near Syene. At noontide once a twelvemonth, the well was totally lit up by the suns rays. He careful the tumble of its shadow by placing a post on the shadow at that measure time and date. He eventually made an assumption that the human race is orbitual and that the suns rays are parallel. Eratosthenes remembered from geometry that the size of the Earths sum total between Alexandria and Syrene equaled the size of the angle he had measured. The result he got was 250,000 stadia (about 46,250 km). Eratosthenes also determined the asynclitism of the Ecliptic, measured the tilt of the earths bloc with great accuracy, prepared a star map containing 675 stars, suggested that a leap day be added every 4th year and tried to construct an accurately dated history.
He created the Sieve of Eratosthenes method acting of finding prime poetry smaller than any given over number, which is still an important forge in number inquiry today. Describing the fundamentals of astronomy in verse, he came up with a poem called Hermes. Eratosthenes finally died when he was 80 years old. Scientists verbalize he voluntary esurient himself to death. If you want to stay put a full essay, legislation it on our website:
Ordercustompaper.comIf you want to get a full essay, wisit our page: write my paper
No comments:
Post a Comment