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Copernicus developed that the planets and Earth rotate around the Sun. This was also known as the Heliocentric model of the universe.
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Discovered the variation of the Moon's longitude.
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Discovered dark patchs on the Sun which are now called sunspots.
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Discovered the law of planetary motion.
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Discovered the Cassini Division in Saturns ring, Cassini's Law and the Cassini Oval.
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Discovered gravity and what gravity is.
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Discovered Halleys comet.
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Developed the Messier catalog which is a set of astronomical objects.
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Discovered Uranus as well as serveral moons around the gas giants planets. He also discovered infrered radiation.
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Delevoped the contemporary stellar classification.
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Developed the General Relativity theory which is known today as astrophysics. It helps scientist understand black holes.
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American astronomer who showed with recessional velocity the universe is expanding. This theory is also known as Hubble's Law.
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Astronomer most known for his search in extraterrestial intelligence (SETI).
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Known for his scientific reasearch of extraterrestrial life and the production of amino acids from the chemicals in radiation
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He helpped discovered hawking radiation which is released by black holes. Explained cosmos through the general theory of relativity and quantum mechanics.
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