Mercury revolves in the orbit nearest the sun, except for the path of the sun spots. The Peripatetics held that this planet was provided with its own light and natural fire. In our century, however, the telescope reveals that at one time it is totally lighted, then humped, then of half-form and finally horned or sickle shaped like our moon. (See (ERRATUM, read “Iconism. Sequent” for “Iconism.”) Plate III, figure 1.) Now, however, it is indisputable that Mercury is lighted by the sun in the same way as the moon and earth. Furthermore, it is spherical and covered with rugged mountains.


Periodic Motion Solar Eclipse Earth Pass Modern Philosophy Large Spot 
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© Springer Science+Business Media Dordrecht 1994

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  • Otto Von Guericke

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