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A mathematician and astronomer who proposed that the sun was stationary and the Earth revolved around it.
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Devised precise instruments before the telescope was invented to observe planetary motion.
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He was the first to use the telecope to study the heavens and was the father of modern phyics.
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Used Brahes's data to build on realization that orbits of the planets were ellipses.He then formulated the Three Laws of Planetary Motion.
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He discovered the gaps in Saturn's ring, fourof itmoons,and therotationalperiod of Jupiter.
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He explained the forces that are involved in planetary motion.
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The firt man to recognize the recurring astronomical visitor now known as Haley's Comet.
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The first man to recognize the recurring astronomical visitornowknown as Haley's Comet.
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Known for his astronomical catalogue of deep sky objects suck as star clusters and nebulae.
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Hediscovered the planet Uranus and several moons around oher gas giants.
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She wasresponible for the classification of hundreds of thousands of sars.
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He developed the theory of relativity and the adiabatic principle.
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He wasan American astronomer and astrophycisis. He ismost famous for founding SETI. He pioneered the search for extra-teretial intelligence.
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His research helped prove that the universe is expanding and he created a classification system for galaxies that has been used for decades.
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He assembledhe firs messagesthat were sent intospace. He studied extra-terrestrialintelligenceandadvocatedfor nucleardisarment.
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Hedeveloped a mehematicalprooffor black hole,heproved Enstein's theoryofrelativity and redefined the Big Bang Theory.
