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Which scientist used one of the first telescopes to observe planets and stars?
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Isaac Newton
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Galileo Gallelli
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James Watt
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Roger Bacon
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Galileo Galilei was an Italian astronomer and physicist who made significant contributions to the field of astronomy. He constructed his own telescope in 1609, which allowed him to make groundbreaking observations of celestial bodies and further our understanding of the universe. His findings revolutionized astronomy and laid the foundation for future scientific discoveries. Galileo was one of the scientists who proved the earth revolved around the sun.
