I Bet Ya Didn't Know
#304In the 3rd to 2nd century B.C, Eratosthenes measured the radius of the earth and came within one-percent of the actual value determined by today's space craft technology.
In the 3rd to 2nd century B.C, Eratosthenes measured the radius of the earth and came within one-percent of the actual value determined by today's space craft technology.