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He suggested that Earth was the centre of the solar system
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He suggested that the Earth was the centre of the solar system
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He suggested that the idea of how the Sun was the centre of the Solar System
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He suggested the idea of the Sun being the centre of the solar system
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The Earth is still the centre of the Solar system. Ptolemy suggested the idea of epicycles and how the planets moved
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He suggested that the idea of epicycles to suggest how the planets moved
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he suggested that the Sun was the centre of the solar system
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He suggested that the sun was the centre of the solar system
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he made improvements on the telescope, he was the first to identify sunspots and see the 4 brightest moons of Venus
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He suggested three laws of planetary motion and the orbits were ellipses and not circles
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He suggested the idea of planetary gravity
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Discovered Uranus
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First person to suggest that the universe was expanding which led to the big band theory.
