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he made great imrovments to the telescope his discoveries supported the theory that the earth and other planets revolve around the sun.
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he developed three laws of motion and the law of universal gravitation his laws of universal gravitation explains why the moon orbits the earth and why the earth moves around the sun
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she was the first person to recieve two nobel prizes as well as being a teahcer, xray technician, physicist, chemist and a scientist she was also a wife and mother
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she developed the medication treatment lukemika she did not able to obtain a graduate position