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

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          <p>
            <s xml:id="echoid-s6297" xml:space="preserve">
              <pb o="567" file="0299" n="314" rhead="SYSTEMA SATURNIUM."/>
            quampiam miniméque tornatilem. </s>
            <s xml:id="echoid-s6298" xml:space="preserve">Porrò quum certo ſatis
              <lb/>
            colligi poſſe videatur, ob ſimilitudinem ac cognationem
              <lb/>
            magnam quæ Saturno cum Tellure noſtra intercedit, illum
              <lb/>
            perinde ut hæc in medio ſui vorticis ſitum eſſe, centrumque
              <lb/>
            ejus verſus omnia naturâ ſuâ tendere quæ illic gravia haben-
              <lb/>
            tur; </s>
            <s xml:id="echoid-s6299" xml:space="preserve">inde neceſſario quoque efficitur, annulum iſtum omni-
              <lb/>
            bus ſui partibus æqualivi ad centrum nitentem, hoc ipſo ita
              <lb/>
            conſiſtere, ut undiquaque pari intervallo à centro abſit. </s>
            <s xml:id="echoid-s6300" xml:space="preserve">Pla-
              <lb/>
            nè ſicuti quidam contemplati ſunt, quod ſi continuum for-
              <lb/>
            nicem per totum terrarum ambitum exſtrui poſſibile eſſet, is
              <lb/>
            abſque ullo fulcimine ſemet ipſum eſſet ſuſtentaturus. </s>
            <s xml:id="echoid-s6301" xml:space="preserve">Ergo
              <lb/>
            tale quid in Saturno reipſa effectum eſſe ne protinus abſur-
              <lb/>
            dum credant, ſed ſuſpiciant potius infinitam naturæ poten-
              <lb/>
            tiam & </s>
            <s xml:id="echoid-s6302" xml:space="preserve">majeſtatem, quæ ſubinde nova ſuorum operum ſpe-
              <lb/>
            cimina in lucem promens, plura etiam ſupereſſe admonet.
              <lb/>
            </s>
            <s xml:id="echoid-s6303" xml:space="preserve">Verum ad propoſitum jam revertamur.</s>
            <s xml:id="echoid-s6304" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6305" xml:space="preserve">Diximus brachiorum lineam anno 1655 eclipticæ occur-
              <lb/>
              <note position="right" xlink:label="note-0299-01" xlink:href="note-0299-01a" xml:space="preserve">Saturni ma-
                <lb/>
              jor diameter
                <lb/>
              Æquatori
                <lb/>
              parallela
                <lb/>
              oſtenditur.</note>
            rere viſam angulo partium plus minus 20. </s>
            <s xml:id="echoid-s6306" xml:space="preserve">Quod cum præ-
              <lb/>
            cipuè faciat ad phænomena ex hypotheſi noſtra deducenda,
              <lb/>
            antequam ad illa accedamus, ita ſe habere ex obſervationi-
              <lb/>
            bus oſtendendum eſt.</s>
            <s xml:id="echoid-s6307" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6308" xml:space="preserve">Cum igitur 25 Martii, anno 1655, Saturni in A poſiti ad
              <lb/>
              <note position="right" xlink:label="note-0299-02" xlink:href="note-0299-02a" xml:space="preserve">TAB. XLIX.
                <lb/>
              fig. 3.</note>
            ſtellam fixam B ea fuerit conſtitutio quæ hîc adnotata eſt,
              <lb/>
            ut conſtat ex ſuperioribus obſervationibus; </s>
            <s xml:id="echoid-s6309" xml:space="preserve">die autem ſe-
              <lb/>
            quenti ſicut in D & </s>
            <s xml:id="echoid-s6310" xml:space="preserve">B, tertioque item die ſicut in C & </s>
            <s xml:id="echoid-s6311" xml:space="preserve">B,
              <lb/>
            ita ut quotidie linea anſarum producta altius ſupra ſtellam B
              <lb/>
            aſcenderet; </s>
            <s xml:id="echoid-s6312" xml:space="preserve">hinc perſpicuum fit viam Planetæ A C nequa-
              <lb/>
            quam congruere directioni anſarum, ſed diverſam ferri an-
              <lb/>
            gulo A C E, quem 20. </s>
            <s xml:id="echoid-s6313" xml:space="preserve">gr. </s>
            <s xml:id="echoid-s6314" xml:space="preserve">majorem invenio. </s>
            <s xml:id="echoid-s6315" xml:space="preserve">Eo autem
              <lb/>
            tempore nihil admodum mutabatur latitudo Saturni appa-
              <lb/>
            rens, unde conſtat viam A C eclipticæ parallelam fuiſſe; </s>
            <s xml:id="echoid-s6316" xml:space="preserve">ac
              <lb/>
            proinde eodem illo 20 gr. </s>
            <s xml:id="echoid-s6317" xml:space="preserve">angulo etiam ab ecliptica lineam
              <lb/>
            anſarum deflexiſſe.</s>
            <s xml:id="echoid-s6318" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6319" xml:space="preserve">Rurſus 9 Apr. </s>
            <s xml:id="echoid-s6320" xml:space="preserve">& </s>
            <s xml:id="echoid-s6321" xml:space="preserve">tribus ſequentibus continuè diebus ad
              <lb/>
              <note position="right" xlink:label="note-0299-03" xlink:href="note-0299-03a" xml:space="preserve">TAB. XLIX@.
                <lb/>
              fig. 4.</note>
            aliam fixam C talis annotatus fuit Saturni poſitus qualis in
              <lb/>
            L, M, N, O cernitur. </s>
            <s xml:id="echoid-s6322" xml:space="preserve">Ubi ſimiliter apparet, lineam </s>
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