(T)raumfahrt Wissenschatszitate
…while Copernican theory solves certain problems in a simpler way than does the Ptolemaic one. the price of the simplification is unexpected complications in the solution of other problems. The Copernican system is certainly simpler since it dispenses with equants and some eccentrics: but each equant and eccentric removed has to be replaced by new epicycles and epicyclets. . .he also has to put the center of the universe not at the Sun. as he originally intended. but at an empty point fairly near to it…..I think it is fair…