What contribution to science did the scientists Aristarchus of Samos, Eratosthenes, Euclid make?

Aristarchus of Samos for the first time in history expressed a brilliant guess about the rotation of the Earth around the Sun. The geographer Eratosthenes, based on the fact that the Earth is a ball, predicted the possibility of travel around the world. Euclid had a tremendous influence on the development of mathematics, created the book “Beginnings”, which became a textbook of geometry.



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