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Isaac Newton formulated the laws of gravity and mechanics. He applied it to our planetary system.
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Discovered Uranus, made hypothesis that nebulae are composed of stars and theory of stellar evolution
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He made crucial contributions in the arena of planetary motion by applying Sir Isaac Newton’s theory of gravitation to the entire solar system. He also furthered the subjects of probability and statistics significantly.
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Discovered canals and oasis on Mars
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Devised a north-polar system to determine a star's magnitude
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Researched on planet Jupiter, proposed theory of dark matter and came up with the concept of the de Sitter space and de Sitter universe, a solution for where there is no matter.
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Showed that time does not pass at the same speed everywhere and predicted existence of black holes.
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Deduced that the Sun lies near the central plane of the Galaxy, found pulsating stars.
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Suggested that our galaxy is one of billions and that the universe is expanding.
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He was the person to propose the theory of the expansion of the universe.
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British Astronomer who was known for his contribution to the theory of stellar nucleosynthesis. He also made the phrase 'Big Bang'.
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Discovered a cosmic microwave background radiation.