Galilei, Galileo
,
The systems of the world
,
1661
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pearing in
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Caſſiopeia,
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tell me,
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Simplicius,
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whether you believe that
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it might be in the ſame time placed in divers places, that is,
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mongſt the Elements, aud alſo amongſt the planetary Orbs, and
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alſo above theſe amongſt the fixed Stars, and yet again infinitely
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more high.</
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The method
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ſerved by
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Clar.
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in
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confuting the
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ſtronomers, and by
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Salviatus
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in
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ting him.
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<
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>SIMP. </
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>There is no doubt, but that it ought to be confeſſed
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that it is but in one only place, and at one ſole and determinate
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diſtance from the Earth.</
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<
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>SALV. </
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<
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>Therefore if the obſervations made by the
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mers were exact, and the calculations made by this Author were
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not erroneous, it were eaſie from all thoſe and all theſe to
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collect the ſame diſtances alwayes to an hair, is not this true?</
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<
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>SIMP. </
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>My reaſon hitherto tells me that ſo it muſt needs be;
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nor do I believe that the Author would contradict it</
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<
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>SALV. </
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<
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>But when of many and many computations that have
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been made, there ſhould not be ſo much as two onely that prove
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true, what would you think of them?</
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<
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>SIMP. </
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<
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>I would think that they were all falſe, either through
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the fault of the computiſt, or through the defect of the
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vators, and at the moſt that could be ſaid, I would ſay, that but
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onely one of them and no more was true; but as yet I know not
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which to chooſe.</
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<
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>SALV. </
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<
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>Would you then from falſe fundamentals deduce and
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eſtabliſh a doubtful concluſion for ttue? </
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<
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>Certainly no. </
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>Now the
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calculations of this Author are ſuch, that no one of them agrees
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with another, you may ſee then what credit is to be given to
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them.</
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<
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>SIMP. Indeed, if it be ſo, this is a notable failing.</
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<
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>SAGR. </
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<
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>But by the way I have a mind to help
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Simplicius,
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and
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the Author by telling
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Salviatus,
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that his arguments would hold
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good if the Author had undertook to go about to find out
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ly the diſtance of the Star from the Earth, which I do not think
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to be his intention; but onely to demonſtrate that from thoſe
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obſervations he collected that the Star was ſublunary. </
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<
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>So
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that if from thoſe obſervations, and from all the computations
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made thereon, the height of the Star be alwayes collected to be
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leſſe than that of the Moon, it ſerves the Authors turn to
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vince all thoſe Aſtronomers of moſt impardonable ignorance,
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that through the defect either of Geometry or Arithmetick, have
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not known how to draw true concluſions from their own
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tions themſelves.</
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<
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>SALV. </
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<
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>It will be convenient therefore that I turn my ſelf to
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you,
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Sagredus,
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who ſo cunningly aphold the Doctrine of this
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Author. </
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<
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>And to ſee whether I can make
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Simplicius,
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though not
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very expert in calcnlations, and demonſtrations to apprehend the </
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