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Industrial Revolution Pt2 Iron Bridge Gorge)
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9 The Universe Albert Einstein
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8 The Universe Isaac Newton
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6 The Universe Johannes Kepler
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7 The Universe Galileo Galilei
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5 The Universe Nicolaus Copernicus
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4 The Universe Aristotle and Ptolemy
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3 The Universe Early Man's view
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2 The Universe Solar System
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1 The Universe Big Bang simplified
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Wheeled Carriages.mpg
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