You're not contributing anything and at the time Magna Carta was signed people had known the earth was round for over 1,000 years. Have you ever been on a boat

You're not contributing anything and at the time Magna Carta was signed people had known the earth was round for over 1,000 years. Have you ever been on a boat? Look at the horizon. They'd been on boats too. Also see: http://www.windows2universe.org/citizen_science/myw/w2u_eratosthenes_calc_earth_size.html http://www.windows2universe.org/citizen_science/myw/w2u_erat...