Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

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          <p>
            <s xml:id="echoid-s9866" xml:space="preserve">
              <pb o="715" file="0457" n="479" rhead="COSMOTHEOROS, LIB. II."/>
            puum quid habere cuperet; </s>
            <s xml:id="echoid-s9867" xml:space="preserve">circumque eum eſſe unicum, in
              <lb/>
            Natura, Planetarum ſyſtema, idque mundi medio ſitum.
              <lb/>
            </s>
            <s xml:id="echoid-s9868" xml:space="preserve">Hiſce nimirum opus habebat ad confirmandum myſterium
              <lb/>
            Coſmographicum ſuum, quo certis quibuſdam proportioni-
              <lb/>
            bus reſpondere volebat Planetarum à Sole diſtantias diame-
              <lb/>
            tris ſphærarum, quæ corporibus polyedris Euclideis inſcri-
              <lb/>
            buntur & </s>
            <s xml:id="echoid-s9869" xml:space="preserve">circunſcribuntur ſingulis. </s>
            <s xml:id="echoid-s9870" xml:space="preserve">Quod tum demum veri-
              <lb/>
            ſimile videri poterat, ſi in mundo univerſo unus tantum eſ-
              <lb/>
            ſet circa Solem aberrantium ſiderum chorus, adeoque & </s>
            <s xml:id="echoid-s9871" xml:space="preserve">Sol
              <lb/>
            ipſe ſolus ſui generis.</s>
            <s xml:id="echoid-s9872" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s9873" xml:space="preserve">Sed myſterium illud totum, ſi bene perpendatur, ſomnium
              <lb/>
            quoddam ex Pythagoræ aut Platonis Philoſophia enatum eſ-
              <lb/>
            ſe apparet. </s>
            <s xml:id="echoid-s9874" xml:space="preserve">Nec proportiones ſatis quadrant, ut ipſe quoque
              <lb/>
            auctor agnoſcit; </s>
            <s xml:id="echoid-s9875" xml:space="preserve">ſed, cur hoc ita ſit, alias cauſas plane frivolas
              <lb/>
            comminiſcitur. </s>
            <s xml:id="echoid-s9876" xml:space="preserve">Idem levioribus etiam argumentis probat ex-
              <lb/>
            tremam mundi ſuperficiem, ſtellas omnes continentem, ſphæ-
              <lb/>
            ricæ eſſe figuræ; </s>
            <s xml:id="echoid-s9877" xml:space="preserve">ac numerum præterea earum neceſſariò eſſe fi-
              <lb/>
            nitum, exeo quod ſingularum finita ſit magnitudo. </s>
            <s xml:id="echoid-s9878" xml:space="preserve">Illud vero
              <lb/>
            vaniſſimum, quod à Sole, ad ſuperficiem cavam ſphæræ fixa-
              <lb/>
            rum, definit ſpatium ſexies centena millia Terræ diametrorum.
              <lb/>
            </s>
            <s xml:id="echoid-s9879" xml:space="preserve">Quoniam ſcilicet, ſicut Solis diameter ad diametrum Orbitæ
              <lb/>
            Saturni; </s>
            <s xml:id="echoid-s9880" xml:space="preserve">quos inter ſe eſſe ſtatuit ut 1 ad 2000; </s>
            <s xml:id="echoid-s9881" xml:space="preserve">ita ſit hic dia-
              <lb/>
            meter ad illum ſphæræ fixarum interioris; </s>
            <s xml:id="echoid-s9882" xml:space="preserve">quod nulla ratio-
              <lb/>
            ne nititur. </s>
            <s xml:id="echoid-s9883" xml:space="preserve">Atque hæc quidem Viro ſummi ingenii, magno-
              <lb/>
            que Aſtronomiæ inſtauratori excidiſſe mirum eſt. </s>
            <s xml:id="echoid-s9884" xml:space="preserve">Nos vero
              <lb/>
            unà cum præcipuis noſtræ ætatis Philoſophis, ne dubitemus
              <lb/>
            eandem ſtellarum earum & </s>
            <s xml:id="echoid-s9885" xml:space="preserve">Solis naturam exiſtimare. </s>
            <s xml:id="echoid-s9886" xml:space="preserve">Ex quo
              <lb/>
              <note position="right" xlink:label="note-0457-01" xlink:href="note-0457-01a" xml:space="preserve">Nihil impe-
                <lb/>
              dire, quo mi-
                <lb/>
              nus creda-
                <lb/>
              mus circa
                <lb/>
              unamquam-
                <lb/>
              que ex fixis,
                <lb/>
              ut circa So-
                <lb/>
              lem, eſſe
                <lb/>
              Planetas.</note>
            jam mundi idea multo major naſcitur, quam quæ ex hacte-
              <lb/>
            nus traditis percipiebatur. </s>
            <s xml:id="echoid-s9887" xml:space="preserve">Quid enim nunc prohibet, quin
              <lb/>
            unamquamque ex ſtellis hiſce, ſive Solibus, haud aliter ac
              <lb/>
            Sol noſter, circum ſe Planetas habere putemus, quæ rurſus
              <lb/>
            ſuis Lunis ſtipatæ ſint? </s>
            <s xml:id="echoid-s9888" xml:space="preserve">Imo hoc ita ſe habere, manifeſta
              <lb/>
            ecce ratio ſuadet. </s>
            <s xml:id="echoid-s9889" xml:space="preserve">Etenim ſi cogitatione in cœli regionibus
              <lb/>
            nos ponamus, non minus à Sole, quàm fixis ſtellis, remo-
              <lb/>
            tos; </s>
            <s xml:id="echoid-s9890" xml:space="preserve">nihil quicquam diſcriminis haſce inter atque illum tunc
              <lb/>
            eſſemus animadverſuri. </s>
            <s xml:id="echoid-s9891" xml:space="preserve">Longè enim abeſt ut corpora </s>
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