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Was the first to say that the planets evolved around the sun
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Made obserations of planetary motion, which helped Kepler make our model of the solar system
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Invented a better telescope. Made contributions in technology, physics, mathematics, and astronomy. He believed that the sun was the center of the solar system
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He invented logbooks, which were used to calculate planetary positions. Made the 3 planetary laws of motion
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Was the first to observe at least 4 of saturn's moons; Iapetus, Rhea, Tethys, and Dione.
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He proposed laws that described the motion of everything in the universe. He discovered many discoveries without them we would not be able to safely go into space.
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The first to see a comet called Halley's comet. He was known for inventing the diving bell.
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First in France to observe the return of Halley's comet. He was called the comet ferret and discovered many comets
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He discovered the planet Uranus. Developed the theory of stellar evolution.
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She was able to identify and classify stars very accurately and very fast. By the time she died she had classified about 350,00 stars at a rate of 300 per hour
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Contributed the theory of Relativity and The Quantum Theory
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Hubble was able to prove the expansion of the universe He helped the astronomers measure distance in the universe.
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Created the television series: Cosmos: a personal voyage. He made science popular. In the late twentieth century he wasthe world's best known scientist.
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He is a Physcist. He studies black holes
