Galilei, Galileo, The systems of the world, 1661

List of thumbnails

< >
71
71 		72
72
73
73 		74
74
75
75 		76
76
77
77 		78
78
79
79 		80
80
< >
page |< < of 948 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="065/01/077.jpg" pagenum="71"/>
              be produced alſo; in the mean time, that I may not prevent any
                <lb/>
              one, I will ſuppreſſe the anſwer which might be given, and onely
                <lb/>
              for this time betake my ſelf to ſatisfie the objections brought by
                <lb/>
                <emph type="italics"/>
              Simplicius.
                <emph.end type="italics"/>
              I ſay therefore, that this reaſon of yours is too
                <lb/>
              neral, and as you apply it not to all the appearances one by one;
                <lb/>
              which are ſeen in the Moon, and for which my ſelf and others
                <lb/>
              are induced to hold it mountainous, I believe you will not find
                <lb/>
              any one that will be ſatisfied with ſuch a doctrine; nor can I think,
                <lb/>
              that either you, or the Author himſelf, find in it any greater
                <lb/>
              quietude, than in any other thing wide from the purpoſe. </s>
              <s>Of the
                <lb/>
                <arrow.to.target n="marg184"/>
                <lb/>
              very many ſeveral appearances which are ſeen night by night in
                <lb/>
              the courſe of Moon, you cannot imitate ſo much as one, by making
                <lb/>
              a Ball at your choice, more or leſs opacous and perſpicuous, and
                <lb/>
              that is of a polite ſuperficies; whereas on the contrary, one may
                <lb/>
                <arrow.to.target n="marg185"/>
                <lb/>
              make Balls of any ſolid matter whatſoever, that is not tranſparent,
                <lb/>
              which onely with eminencies and cavities, and by receiving the
                <lb/>
              lumination ſeveral ways, ſhall repreſent the ſame appearances and
                <lb/>
              mutations to an hair, which from hour to hour are diſcovered in
                <lb/>
                <arrow.to.target n="marg186"/>
                <lb/>
              the Moon. </s>
              <s>In them you ſhall ſee the ledges of Hills expoſed to
                <lb/>
              the Suns light, to be very ſhining, and after them the projections
                <lb/>
              of their ſhadows very obſcure; you ſhall ſee them greater and leſs,
                <lb/>
              according as the ſaid eminencies ſhall be more or leſs diſtant from
                <lb/>
              the confines which diſtinguiſh the parts of the Moon illuminated,
                <lb/>
              from the obſcure: you ſhall ſee the ſame term and confine, not
                <lb/>
              equally diftended, as it would be if the Ball were poliſh'd, but
                <lb/>
              craggie and rugged. </s>
              <s>You ſhall ſee beyond the ſame term, in the
                <lb/>
              dark parts of the Moon many bright prominencies, and diſtinct
                <lb/>
              from the reſt of the illuminations: you ſhall ſee the ſhadows
                <lb/>
              foreſaid, according as the illumination gradually riſeth, to
                <lb/>
              niſh by degrees, till they wholly diſappear; nor are there any of
                <lb/>
              them to be ſeen when the whole Hemiſphere is enlightned. </s>
              <s>
                <lb/>
              gain on the contrary, in the lights paſſage towards the other
                <lb/>
              miſphere of the Moon, you ſhall again obſerve the ſame
                <lb/>
              cies that were marked, and you ſhall ſee the projections of their
                <lb/>
              ſhadows to be made a contrary way, and to decreaſe by degrees:
                <lb/>
              of which things, once more I ſay, you cannot ſhew me ſo much as
                <lb/>
              one in yours that are opacous and perſpicuous.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg184"/>
                <emph type="italics"/>
              The apparent
                <lb/>
              evenneſſes of the
                <lb/>
              Moon cannot be
                <lb/>
              mitated by way of
                <lb/>
              more and leſs
                <lb/>
              city & perſpicuity.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg185"/>
                <emph type="italics"/>
              The various
                <lb/>
              ſpects of the Moon,
                <lb/>
              imitable with any
                <lb/>
              opacous matter.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg186"/>
                <emph type="italics"/>
              Various appear
                <lb/>
              ces from which the
                <lb/>
              Moons montuoſity
                <lb/>
              is argued.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SAGR. </s>
              <s>One of them certainly he may imitate, namely, that of
                <lb/>
              the Full-Moon, when by reaſon of its being all illuminated, there
                <lb/>
              is not to be ſeen either ſhadow, or other thing, which receiveth
                <lb/>
              any alteration from its eminencies and cavities. </s>
              <s>But I beſeech
                <lb/>
              you,
                <emph type="italics"/>
              Salviatus,
                <emph.end type="italics"/>
              let us ſpend no more time on this Argument, for
                <lb/>
              a perſon that hath had but the patience to make obſervation of but
                <lb/>
              one or two Lunations, and is not ſatisfied with this moſt ſenſible
                <lb/>
              truth, may well be adjudged void of all judgment; and upon </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum