Question

who was galileo what theory did he preached​

Answer 1

Answer:

GALILEO GALLELEI is a great scientist and physicist.

HIS THEORY:

Heliocentric theory:

Galileo continued his study of astronomy and became more and more convinced that all planets revolved around the Sun. In 1632, he published a book that stated, among other things, that the heliocentric theory of Copernicus was correct.

Answer 2

Answer:

Galileo Galilei was an Italian astronomer, physicist and engineer, sometimes described as a polymath. Galileo has been called the "father of observational astronomy", the "father of modern physics", the "father of the scientific method", and the "father of modern science.

He gave heliocentric theory

hope it helps