Eratosthenes by Sagan
Amicus Plato, sed magis amica veritas. Miguel de Cervantes, Don Quichotte (1605). How did we find out that Earth is a sphere? How in the same moment a stick in ...
Amicus Plato, sed magis amica veritas. Miguel de Cervantes, Don Quichotte (1605). How did we find out that Earth is a sphere? How in the same moment a stick in ...