Why did classical astronomers conclude the heavens were made up of sphere?

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Cohen Duarte

Biology

5 March, 19:14

Why did classical astronomers conclude the heavens were made up of sphere?

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Bridger · Answer 1

The classical astronomers concluded that heavens were made up of a sphere, because heavens were thought to be perfect and spheres (circles) are a perfect shape. It was Plato who argued that geometrical figures were spheres and everyone agreed to him. It was also believed that the perfect motion of spheres was a uniform circular rotation.