Both of us come from Florence, Italy, where Galileo lived and worked. He was the first astronomer to turn his telescope to the Moon, planets and stars. In fact, you can see Galileo's telescope (made of wood and leather) in the museum in Florence, together with one of his fingers (yeeuuukkk)!
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We will see that, as stars go, the Sun really is a pretty ordinary star - like many of the stars in this photograph. What makes it so special and different from other stars is that it is so much closer to Earth than any other star. The Sun is literally in our own astronomical back-garden and so can give us the light and heat needed for advanced life on Earth.
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