Galileo was an Italian astronomer, physicist and engineer. He changed scientific thinking through astronomical exploration. 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". His major achievement was improving the telescope and using it to make observations about the planets and stars, including supporting Copernicus' revolutionary idea that the Earth revolved around the Sun. Inquiry is a dynamic process of being open to wonder, puzzlement, coming to know, and understand the world.
"You cannot teach a man anything; you can only help him find it within himself."
- Galileo Galilei