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1
A modern illustration shows how Eratosthenes actually
calculated
the
circumference
of the Earth.
2
He
calculated
the
circumference
of the world and the latitude and longitude of terrestrial positions.
3
Posidonius
calculated
the
circumference
of the earth to be two hundred and forty thousand stadia, by a different method from Eratosthenes.
4
He
calculated
the
circumference
of the world and the latitude and longitude of terrestrial positions, which was the beginning of the study of geography.
5
Size of the Earth The story is (don't know if it is true) that Eratosthenes first measured and
calculated
the
circumference
of the Earth.
calculated
the
circumference
calculated
calculate