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Kepler and Brahe at work together c1600 c1870Kepler and Brahe at work together c1600 c1870 German astronomer Johannes Kepler 1571 1630 left with the Danish astronomer Tycho Brahe 1564 1601 in Benatky Observatory near Prague while employed by emperor Rudolf II In 1609 Kepler published the results of Brahe s calculations of the orbit of Mars which showed that the planet did not move uniformly in circles but in ellipses This celebrated work also outlined Kepler s first and second laws governing planetary motion The formulation of his third law ten years later which connected the periods of revolution of the planets with their mean distances from the Sun completed his researches in dynamical astronomy From Vies des Savants Illustres Illustrated Lives of the Scientists by Louis Figuier Paris c1870 c 1870 c 1870 engraving Science Nature Technology Innovation People Famous People Artistic Representations Portraits Science Nature Astronomy Anon Johannes Kepler Editorial Illustration portrait ( traduction automatique ) ( montrer le texte original ) | ||
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