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He had a theory of the sun centering the universe
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Inventing the telescope.
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Astromical Telescope was invented by this man
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Planetary Motion
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Discovered 4 satelites for Saturn
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Universal Laws of Motion
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Haley's Commet
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Publishing on Astronomical Catalogue
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Discovered the planet Uranus
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Harvard Classification Scheme
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Theory of Relativity
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Extragalactic Astronomy
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Creator of the Areeibo Message
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Spread Science through writings/TV
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Black Holes producing radiation
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