Question

was a great astronomer mathematician and architect

Answer 1

Answer:

In ancient Greece, astronomer and mathematician Claudius Ptolemy (A.D. 90–168) set up a model of the solar system in which the sun, stars, and other planets revolved around Earth. ... In so doing, he calculated three laws involving the motions of planets that astronomers still use in calculations today

Answer 2

Explanation:

• Earlier he became friendly with the astronomer, mathematician and physicist Galileo Galilei (1564-1642) – like Pieroni, Galileo also wrote on constructing fortifications, and the two shared interest in mathematics and astronomy.

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