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what he discoverd was that the sun was in the middle and not the earth.
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He invented the first kind of telescope
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Made the laws of Dynamics
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Made the laws on planet motion
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Found rings around saturn and studied mars and Jupiters ratation
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Laws of gravity
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Combuting the orbit of the ponymos of hally's Comit
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Found nebulae and star clusters and came to be messier objects
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Discovered Uranus
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Worked on develpment of contem porary stellar classification
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Found the speed of light
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Found galaxy's and stars
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Found Alien inteligence
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Found high surface tempetures of Venus
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Saying black holes have radaition