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

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        <div xml:id="echoid-div308" type="section" level="1" n="142">
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            <s xml:id="echoid-s6859" xml:space="preserve">
              <pb o="588" file="0324" n="341" rhead="CHRIST. HUGENII"/>
            niet, certiuſque etiam ubi renaſcentes Saturni anſas conſpe-
              <lb/>
            xerit.</s>
            <s xml:id="echoid-s6860" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6861" xml:space="preserve">Cæterum ad eos obſervandos, quos hic adnotavimus, ala-
              <lb/>
            tæ formæ ad rotundam tranſitus, Aſtronomos omnes inten-
              <lb/>
            tos eſſe cupimus. </s>
            <s xml:id="echoid-s6862" xml:space="preserve">In quorum prædictione ſi à veritate aut ni-
              <lb/>
            hil aut pauxillum tantum aberraſſe nos invenient, tum procul
              <lb/>
            dubio cauſas quoque horum phænomenôn germanas qualeſ-
              <lb/>
            que revera ſunt ſibi explicitas credant. </s>
            <s xml:id="echoid-s6863" xml:space="preserve">Sin longè halluciua-
              <lb/>
            ti fuerimus, adeo ut brachiis præditus planeta cernatur, quo
              <lb/>
            tempore ex ſententia noſtra vel maximè iis carere deberet;
              <lb/>
            </s>
            <s xml:id="echoid-s6864" xml:space="preserve">indicio id erit, quædam circa rotundam phaſin accidere no-
              <lb/>
            bis nondum ſatis perſpecta, nec ulli mortalium forſitan per-
              <lb/>
            videnda. </s>
            <s xml:id="echoid-s6865" xml:space="preserve">Nec tamen annuli propterea hypotheſin rejicien-
              <lb/>
            dam exiſtiment, quandiu reliquis quæ circa anſas animad-
              <lb/>
            vertentur ad amuſſim, uti hactenus, conſentiet.</s>
            <s xml:id="echoid-s6866" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6867" xml:space="preserve">Porro in hiſce anſatis Saturni phaſibus, cum nulla adeo
              <lb/>
            ſubita mutatio locum habeat, ideo nec tempora ſingularum
              <lb/>
            tam accuratè ut in rotunda diſtinguere neceſſe fuit; </s>
            <s xml:id="echoid-s6868" xml:space="preserve">ſed in
              <lb/>
            univerſum ſcire ſufficit, phaſin anſatarum latiſſimam medio
              <lb/>
              <note position="left" xlink:label="note-0324-01" xlink:href="note-0324-01a" xml:space="preserve">Quando la-
                <lb/>
              tiſſimæ o-
                <lb/>
              mnium anſæ
                <lb/>
              apparituræ
                <lb/>
              ſint.</note>
            tempore inter duas rotundas incidere; </s>
            <s xml:id="echoid-s6869" xml:space="preserve">ut proinde circa an-
              <lb/>
            num 1663 & </s>
            <s xml:id="echoid-s6870" xml:space="preserve">1664 illa reverſura ſit; </s>
            <s xml:id="echoid-s6871" xml:space="preserve">iterumque anno 1678
              <lb/>
            & </s>
            <s xml:id="echoid-s6872" xml:space="preserve">1679; </s>
            <s xml:id="echoid-s6873" xml:space="preserve">ac poſtea anno 1693. </s>
            <s xml:id="echoid-s6874" xml:space="preserve">Reliquis enim inter iſtos in-
              <lb/>
            tercedentibus annis, tanto anguſtior annuli ellipſis cerne-
              <lb/>
            tur, quanto magis rotundæ phaſeos tempus imminebit. </s>
            <s xml:id="echoid-s6875" xml:space="preserve">Et
              <lb/>
            hactenus quidem eorum quæ circa Saturnum obſervantur
              <lb/>
            cauſas ac tempora digeſſimus.</s>
            <s xml:id="echoid-s6876" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6877" xml:space="preserve">Nunc fortaſſe haud alienum propoſito videatur, ſi quem-
              <lb/>
            admodum ex noſtra hac ſtatione hucuſque ſyſtema ejus con-
              <lb/>
            templati ſumus, ita ad ipſius Saturni globum deinceps cogi-
              <lb/>
            tationem transferamus, atque illud diſpiciamus, qualis inde
              <lb/>
            univerſi facies, quænam futura ſint intervalla annorum men-
              <lb/>
            ſium ac dierum, quæve æſtatis hyemiſque viciſſitudo, ac
              <lb/>
            præſertim qualia ob annulum planetæ circundatum contin-
              <lb/>
            gere eum inhabitantibus neceſſe ſit: </s>
            <s xml:id="echoid-s6878" xml:space="preserve">ut nonnunquam longo
              <lb/>
            tempore aliquos conſpectu Solis privet, aliàs rurſum no-
              <lb/>
            cturnas tenebras imminuat, arcus lucidi ſpecie horizonti </s>
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