The Two Systems of the Ancients: That Based Upon the Presumed Inactivity of the Earth and That Based Upon Its Movement

  • Otto Von Guericke
Part of the Archives Internationales D’Histoire Des Idées / International Archives of the History of Ideas book series (ARCH, volume 137)


The first exponents of the hypothesis of an immobile earth were Anaxagoras, Democritus, and others, who declared that stars moved freely in Space and that they were not bound to solid spheres. Nor did they believe that there was a First or Second Mobile by which they were carried to the west. Rather the stars proceeded in a simple movement toward the west, and only appeared to be moved toward the east when in fact they were being carried slowly toward the west.


Great Part Celestial Body Comprehensive Treatise Solid Sphere Modern Philosophy 
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© Springer Science+Business Media Dordrecht 1994

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  • Otto Von Guericke

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