Question

what were the observation of Aristotle and Pythagoras about the earth​

Answer 1

Answer:

Aristotle's theory of natural place relied on a spherical Earth to explain why heavy things go down (toward what Aristotle believed was the center of the Universe), and things like air and fire go up. In this geocentric model, the structure of the universe was believed to be a series of perfect spheres.

Answer 2

Answer:

Aristotle's theory of natural place relied on a spherical Earth to explain why heavy things go down (toward what Aristotle believed was the center of the Universe), and things like air and fire go up. In this geocentric model, the structure of the universe was believed to be a series of perfect spheres Pythagoras, like many Ancient Greeks, believed that circles and spheres were the most perfect shapes and therefore that the earth and all the heavenly objects must be spherical