Chapter 10 World History Study Guide – Flashcards

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Ptolemy
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the greatest astronomer of antiquity
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Earth Centered
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The center of the universe according to the ptolemaic system
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geocentric
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earth-centered
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Copernicus
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This scientist helped develop the sun-centered theory of the Universe
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heliocentric
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sun-centered
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Johannes Kepler
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confirmed the copernican theory. He also confirmed that the planets created an elliptical orbit.
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