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

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          <p>
            <s xml:id="echoid-s6069" xml:space="preserve">
              <pb o="555" file="0287" n="302" rhead="SYSTEMA SATURNIUM."/>
            do Saturno lucente, in rectam lineam abeuntem. </s>
            <s xml:id="echoid-s6070" xml:space="preserve">Etſi e-
              <lb/>
            nim, ad verum lunulæ ſitum reſpectu Saturni determinan-
              <lb/>
            dum, hujus quoque motus ratio eſt habenda, cum tamen
              <lb/>
            cauſæ ejus cum cæterorum phænomenôn cauſis prorſus con-
              <lb/>
            junctæ ſint, ſimul cum illis atque una opera exponendum
              <lb/>
            cenſeo.</s>
            <s xml:id="echoid-s6071" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6072" xml:space="preserve">Illam igitur Syſtematis hujus partem alteram nunc aggre-
              <lb/>
            dior, in qua formæ Saturni inſtabilis atque à ſe ipſa diſcre-
              <lb/>
            pantis ratio reddenda, tum qua periodo ſingulæ mutationes
              <lb/>
            contingant dicendum eſt. </s>
            <s xml:id="echoid-s6073" xml:space="preserve">Harum aliquas quæ nobis ſeſe
              <lb/>
            obtulere ſupra exhibui; </s>
            <s xml:id="echoid-s6074" xml:space="preserve">ſed eæ partem tantummodo periodi
              <lb/>
            complectuntur. </s>
            <s xml:id="echoid-s6075" xml:space="preserve">Ideoque ut omnem phænomenôn diverſi-
              <lb/>
            tatem ab iis quas dicemus cauſis pendere conſtet, aliorum
              <lb/>
            quoque temporum obſervationes examinare neceſſe erit,
              <lb/>
            quas à 40 atque amplius annis complures ſcriptis prodide-
              <lb/>
            runt. </s>
            <s xml:id="echoid-s6076" xml:space="preserve">At verò cum Saturni figuras omnes quas nobis deli-
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            nearunt oculis luſtro, eas multiplices adeo ac prodigioſas
              <lb/>
            invenio, ut ſi qua hypotheſis comminiſcenda foret quâ cun-
              <lb/>
            ctis fieret ſatis, nemo non, ut opinor, in ea excogitanda
              <lb/>
            operam luſurus ſit: </s>
            <s xml:id="echoid-s6077" xml:space="preserve">cum nulla tam crebræ atque enormis
              <unsure/>
              <lb/>
            transformationis cauſa eſſe poſſit, niſi ponatur ipſam Satur-
              <lb/>
            nii corporis molem identidem aliam atque aliam faciem in-
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            duere, quod ab omni veriſimilitudine eſt alienum. </s>
            <s xml:id="echoid-s6078" xml:space="preserve">Quam-
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            obrem delectus adhibendus eſt obſervatis illorum, & </s>
            <s xml:id="echoid-s6079" xml:space="preserve">inqui-
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            rendum quænam ex iis fidem mereantur, quæve contra ut
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            ſuſpecta rejicienda ſint. </s>
            <s xml:id="echoid-s6080" xml:space="preserve">Quo in examine illud concedi no-
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            bis poſtulamus, ut quoniam Saturni comitem primi perſpi-
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            cillis noſtris deteximus, ac quoties libet clarè intuemur, præ-
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            ferantur propterea noſtra hæc illis quibus alii ad ſtellam ean-
              <lb/>
            dem nequaquam pertingere potuere, licet quotidie Saturno
              <lb/>
            obſervando intenti: </s>
            <s xml:id="echoid-s6081" xml:space="preserve">eoque noſtræ etiam circa formam pla-
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            netæ obſervationes veriores habeantur, quoties eodem tem-
              <lb/>
            pore nobis atque illis diverſæ phaſes animadverſæ fuerint.
              <lb/>
            </s>
            <s xml:id="echoid-s6082" xml:space="preserve">Adjuncta itaque tabella omnes eas exhibet quas ex variis au-
              <lb/>
              <note position="right" xlink:label="note-0287-01" xlink:href="note-0287-01a" xml:space="preserve">TAB. LII.</note>
            toribus deſcripſimus.</s>
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          <p>
            <s xml:id="echoid-s6084" xml:space="preserve">Ac prima quidem harum formarum eſt quam Galilæus ad-
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              <note position="right" xlink:label="note-0287-02" xlink:href="note-0287-02a" xml:space="preserve">Ha
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              ſingalæ
                <lb/>
              examina@
                <lb/>
              tur.</note>
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