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

Table of Notes

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              <pb o="629" file="0367" n="385" rhead="SYSTEMATIS SATURNII."/>
            brius contendet, eſſe nimirum materiam aliquam quæ radios
              <lb/>
            ſolares omnino non reflectat, quippe qui de quatuor novis,
              <lb/>
            quos fingit, Saturni ſatellitibus, duos atros, ac per ſe invi-
              <lb/>
            ſibiles, nulliſque ſolis radiis illuſtrandos, reliquos vero ſplen-
              <lb/>
            didos eſſe imaginetur. </s>
            <s xml:id="echoid-s7964" xml:space="preserve">Verum hypotheſim illam jucundiſſi-
              <lb/>
            mam poſtea videbimus; </s>
            <s xml:id="echoid-s7965" xml:space="preserve">ſunt enim alia etiam prius ventilan-
              <lb/>
            da quibus noſtra oppugnatur.</s>
            <s xml:id="echoid-s7966" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7967" xml:space="preserve">Dixi planam annuli ſuperficiem, eam quæ nobis obverſa
              <lb/>
            eſt, aliquando à Sole averſam non illuminari, unde nimirum
              <lb/>
            nec cerni nobis tunc poſſit, ac proinde nullas Saturno anſu-
              <lb/>
            las præſtet. </s>
            <s xml:id="echoid-s7968" xml:space="preserve">Quod cum certiſſima ratione fieri demonſtrave-
              <lb/>
            rim, adverſarii mei breviter atque uno verbo negant, opti-
              <lb/>
            ciſque regulis refelli dicunt. </s>
            <s xml:id="echoid-s7969" xml:space="preserve">Quomodo tamen? </s>
            <s xml:id="echoid-s7970" xml:space="preserve">Ponendo ſci-
              <lb/>
            licet & </s>
            <s xml:id="echoid-s7971" xml:space="preserve">Saturni diſtantiam & </s>
            <s xml:id="echoid-s7972" xml:space="preserve">Solis diametrum longe quam ego
              <lb/>
            majores, quo ſiatut ſuperficies dicti annuli, ad nos ſpectans,
              <lb/>
            ſemper quoque à Sole lumen accipiat. </s>
            <s xml:id="echoid-s7973" xml:space="preserve">Atqui ego & </s>
            <s xml:id="echoid-s7974" xml:space="preserve">diſtan-
              <lb/>
            tiam illam & </s>
            <s xml:id="echoid-s7975" xml:space="preserve">diametrum (nam una alia expendet) multo ma-
              <lb/>
            jores exhibui in Syſtemate meo quam alius quiſquam omnium
              <lb/>
            Aſtronomorum. </s>
            <s xml:id="echoid-s7976" xml:space="preserve">Nam cum Ptolemæus & </s>
            <s xml:id="echoid-s7977" xml:space="preserve">Copernicus dia-
              <lb/>
            metrum Solis, tantum 5 Terræ diametris taxent; </s>
            <s xml:id="echoid-s7978" xml:space="preserve">Ariſtarchus
              <lb/>
            & </s>
            <s xml:id="echoid-s7979" xml:space="preserve">Bullialdus 7; </s>
            <s xml:id="echoid-s7980" xml:space="preserve">Ricciolus 33; </s>
            <s xml:id="echoid-s7981" xml:space="preserve">Wendelinus, quo pluribus ne-
              <lb/>
            mo, 64; </s>
            <s xml:id="echoid-s7982" xml:space="preserve">ipſe 111 dedi, nec ſine ratione ut puto. </s>
            <s xml:id="echoid-s7983" xml:space="preserve">Et Fabrio
              <lb/>
            tamen parcus fuiſſe videor, qui Solem longe majorem etiam
              <lb/>
            fieri vult, ne ſtare hypotheſis mea poſſit, utque merito hanc
              <lb/>
            Optices ignorantiam mihi impegiſſe videatur. </s>
            <s xml:id="echoid-s7984" xml:space="preserve">Cum ipſe in-
              <lb/>
            terim vel Optices vel Aſtronomiæ uſque adeo imperitus ſit,
              <lb/>
            ut non advertat, licet centies millies majorem quam ego So-
              <lb/>
            lis diametrum ſtatuat, ac ſimul planetariorum orbium ampli-
              <lb/>
            tudinem eadem proportione adaugeat, tamen diametrum il-
              <lb/>
            lam, ex Saturno conſpectam, non niſi 3 circiter ſcrupulorum
              <lb/>
            fore; </s>
            <s xml:id="echoid-s7985" xml:space="preserve">atque etiamſi tanta illinc appareret quanta nobis in Ter-
              <lb/>
            ra poſitis, tamen illa quam dedi demonſtratione evinci, ſu-
              <lb/>
            perficiem annuli ad nos verſam, aliquando Solis lumine non
              <lb/>
            illuſtrari, propterea quod planum annuli productum, inter
              <lb/>
            nos Solemque tranſeat. </s>
            <s xml:id="echoid-s7986" xml:space="preserve">Nam ſi hoc fieri quandoque neget,
              <lb/>
            oportet ſtatuat diametrum Solis, (quod ridiculum eſt) </s>
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