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The top documents tagged [arab astronomers]
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Knowledge of our celestial surroundings began with the early studies of the sky by the ancient Greeks and their careful observations of the stars and
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Chapter 1 Section 3. From earliest times, trade linked groups who lived a great distance from one another. As trade developed, merchants established
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Nuclear fusion reaction –In essence, 4 hydrogen nuclei combine (fuse) to form a helium nucleus, plus some byproducts (actually, a total of 6 nuclei are
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eng_es8_crab
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