132

Astronom y.

placed in the Centre, that so all thenets may at all times, have it in an unis° rand equable Manner : For, ^

VI. If the Earth be in the Centre, ^

the Sun and Planets revolve about ib ^Planets would then, like the Comets*scorched with Heat when nearest the iand frozen with Cold in their Aphehfa ^ \greatest Distance; which is not to be ^ 1posed. t

VII. If the Sun be placed in the ^ Iof the System, we have then the rat' 0 ,Hypothesis of the Planets being all naO^about the Sun by the universal LaV ^Power of Gravity arising from his ^Body ; and every Thing will answer toLaws of circular Motion, and ce* 1 ,Forces: But otherwise we are whollf ^the dark, and know nothing of the P 3and Operations of Nature.

VIII. Bur happily we are ablenot only Reason, but demonjlrativethat the Sun does possess the Centre ^ ^System, and that the Planets move ^ .it at the Distanceassigned: The JirJicury and Vmus are ever observed to ll ‘‘two Conjunctions wuth the Sun, but no ^pojition ; which could not happen,

and in the Orderof which is, That