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Isaac Newton created Laws of Gravity
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Issac Newton create laws of gravity
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he used Newtons laws to predict that a comet last seen in 1682 would reappear 76 years later
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proposed that some nebube are groups or systems of stars, and that these star systems are very distant and enormous
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Caroline Herschel and her brother William made powerful reflecting telescopes and compiled catalogues of star clusters, nebulae and galaxies
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investigated the solar spectrum by possinmg sunlight though a spectroscrope
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