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Hello! My name is Galileo Galilei (gal-uh-LAY-oh gal-uh-LAY-ee). I was born in 1564 in
Pisa, Italy. I was one of the first astronomers,
people who study the night sky. I built my own telescopes. When I looked at
Jupiter through one of my telescopes, I saw four small moons going around the
giant planet. So I was the first person ever to see moons around a planet other
than Earth! Can you imagine what I saw?
Let me show you what astronomy was like in my life. Click
Next to be transported back in time, to the days of "Old Time Astronomy."
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