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

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          <p>
            <s xml:id="echoid-s6232" xml:space="preserve">
              <pb o="563" file="0295" n="310" rhead="SYSTEMA SATURNIUM."/>
            mumque illum planetarum, formarum varietate omnes fru-
              <lb/>
            ſtrantem, certis legibus aſtringere aggreſſus es. </s>
            <s xml:id="echoid-s6233" xml:space="preserve">At ille te
              <lb/>
            quoque ut opinor deluſit. </s>
            <s xml:id="echoid-s6234" xml:space="preserve">Nam ſi poſthac ea facie ſe tibi
              <lb/>
            offerat, qua mihi anno 1655 & </s>
            <s xml:id="echoid-s6235" xml:space="preserve">1657 apparuit, vel ea quo-
              <lb/>
              <note position="right" xlink:label="note-0295-01" xlink:href="note-0295-01a" xml:space="preserve">TAB. XLIX.
                <lb/>
              fig. 6. 7.</note>
            que quæ ſucceſſit anno 1658, cognoſces utique has non qua-
              <lb/>
            drare illi quod tibi finxiſti corpori. </s>
            <s xml:id="echoid-s6236" xml:space="preserve">Sphæroidi nimirum, cu-
              <lb/>
            juſmodi aut ovum aut prunum eſt, ſed magis etiam oblongo
              <lb/>
            quam Hevelianum illud, ſimilem Saturnum imaginaris; </s>
            <s xml:id="echoid-s6237" xml:space="preserve">in
              <lb/>
            quo binæ utrinque ſint maculæ lucis expertes, quales in ta-
              <lb/>
            bula ſuperiori phaſis octava exhibet, quæ nobis interſtitia
              <lb/>
              <note position="right" xlink:label="note-0295-02" xlink:href="note-0295-02a" xml:space="preserve">TAB. LII.
                <lb/>
              fig. 8.</note>
            illa inter anſas Saturni mediumque ejus diſcum referant. </s>
            <s xml:id="echoid-s6238" xml:space="preserve">In-
              <lb/>
            de converſiones hujus corporis circa axem, eadem periodo
              <lb/>
            qua & </s>
            <s xml:id="echoid-s6239" xml:space="preserve">Hevelius, definis; </s>
            <s xml:id="echoid-s6240" xml:space="preserve">& </s>
            <s xml:id="echoid-s6241" xml:space="preserve">rotundum tunc videri aſſeris,
              <lb/>
            cum longior ſphæroidis axis ad nos dirigitur, ideoque bis
              <lb/>
            hoc accidere annorum 30 decurſu. </s>
            <s xml:id="echoid-s6242" xml:space="preserve">Verùm enim cum pror-
              <lb/>
            ſus rotundus ac orbe integro lucens appareat Saturnus, quo-
              <lb/>
            ties brachiis ſuis nudatus eſt, expendendum tibi amplius re-
              <lb/>
            linquo, qua ratione lacunas quaſdam expleas quas à maculis
              <lb/>
            illis nigris ſuperfuturas rectè ipſe prævidiſti. </s>
            <s xml:id="echoid-s6243" xml:space="preserve">Præterea & </s>
            <s xml:id="echoid-s6244" xml:space="preserve">
              <lb/>
            phaſes illas te conſiderare velim quas hæc tua hypotheſis
              <lb/>
            non poteſt non producere, nec à quoquam tamen obſerva-
              <lb/>
            tæ perhibentur. </s>
            <s xml:id="echoid-s6245" xml:space="preserve">Quas ut facilius omnes coram inſpicias,
              <lb/>
            ovum aut aliud quod eam formam habeat, iſtis maculis or-
              <lb/>
            natum, tibi proponito, atque ita ut Saturnum converti vis
              <lb/>
            circumducito; </s>
            <s xml:id="echoid-s6246" xml:space="preserve">videbis non pauca in tuo hoc Saturno phæ-
              <lb/>
            nomena quæ cæleſtis Saturnus nunquam exhibuit, atque a-
              <lb/>
            lia rurſus, quæ ineſſe huic certo tibi affirmare audeo, non
              <lb/>
            videbis, ipſéque de Syſtemate tuo ſtatues.</s>
            <s xml:id="echoid-s6247" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6248" xml:space="preserve">Quod autem rei veritatem neque tu neque illi viri egregii,
              <lb/>
            quorum antea opiniones recenſui, aſſecuti ſitis, minimè mi-
              <lb/>
            randum eſt, aut vobis imputandum, utpote ad quos falſa
              <lb/>
            plurima pro veris phænomenis delata ſint; </s>
            <s xml:id="echoid-s6249" xml:space="preserve">alia vero quæ de
              <lb/>
            Saturno citra viſus fallaciam obſervantur, non pervenerint.
              <lb/>
            </s>
            <s xml:id="echoid-s6250" xml:space="preserve">Quæ ſi nobiſcum aſpicere vobis contigiſſet, eadem inde quæ
              <lb/>
            nos de nativa Planetæ forma collecturos fuiſſe credibile eſt. </s>
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              <lb/>
            Me vero præter phaſes illas ſynceriores, etiam Lunæ </s>
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