Galileo’s discovery of the moons of Jupiter

Explain, as thoroughly as possible, the significance of Galileo’s discovery of the moons of Jupiter is for the Copernican Revolution and what the significance is of his discovery of shadows on the surface of the earth’s moon is for the Copernican Revolution.
b. Select two of the following three areas of human activity and experience and explain, as thoroughly as possible, how The Life of Galileo illustrates how science interacts with those other two areas of human activity and experience: economic, political, and social.