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Galileo (1564-1642 / Italy) He is called the “father of modern science”. He was a scientist, an astronomer and a mathematician. He made many improvements to telescopes. His best known achievement was to show that the Earth moves around the sun. He discovered that the Milky Way is made of many stars. He discovered that the Moon has hills and he found four moons around Jupiter. Those moons are now called the Galilean moons. He discovered sunspots which are dark areas of the Sun. He saw that the planet Venus has light and dark phases just like the Moon. This helped people to know that the Sun is at the center of the Solar System. The text is about ----.