In addition to correctly determining the size of the Earth and finding correct methods for determining the size of the Moon and the distance to the Moon and Sun, he was the head of the largest library in the western world (Alexandria in northern Egypt) and must have had many students.
Eratosthenes measured the size of Earth by using the Sun's angles, as well as a bit of geometry.
yes
The used an orange
Eratosthenes
that the earth was not flat nor square but it was round
What is the educational attainment of Saturnina Mercado Rizal?"
Growth in educational attainment occurred in all regions in the 1990s.
Within the United states, the doctorate is the highest level of educational attainment.
Typically, a PhD is the highest educational attainment. However, the best degree may be particular to the individual, and strictly dependent on his/her own educational and career goals and objectives.
Because of over grown of population.
The doctorate degree is the highest level of educational attainment.
The doctorate is the highest level of educational attainment.
It would be a doctorate, which is the highest level of educational attainment.
The doctorate is the highest level of educational attainment.
They are both equivalent in terms of the educational level of attainment.
Gooloo S. Wunderlich has written: 'Educational attainment of mother and family income: white legitimate births, United States, 1963' -- subject(s): Education, Educational attainment, Income, Women
Jefferson N. Eastmond has written: 'Educational attainment in Turkey, 1964' -- subject(s): Education, Educational attainment, Statistics 'The teacher and school administration' -- subject(s): School personnel management