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johannes-keplers-three-laws-explained-1609
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# Space and Time

Johannes Kepler's Three Laws explained (1609)

high-school-physics-explained high-school-physics-explained 415 jaar geleden
nicolaus-copernicus-heliocentric-theory-1543
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# Space and Time

Nicolaus Copernicus | Heliocentric Theory (1543)

biography biography 481 jaar geleden
ptolemys-almagest-model-of-the-universe-150-ad
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# Space and Time

Ptolemy's Almagest | Model of the Universe (150 AD)

carl-sagan carl-sagan 1874 jaar geleden