Clavius, Christoph, In Sphaeram Ioannis de Sacro Bosco commentarius

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            <s xml:id="echoid-s16593" xml:space="preserve">
              <pb o="442" file="478" n="479" rhead="Comment. in IIII. Cap. Sphæræ"/>
            duabus elipſibus perſpicue admodum colligitur, Solem, & </s>
            <s xml:id="echoid-s16594" xml:space="preserve">Lunam in vtraque
              <lb/>
            eclipſi non habuiſſe eandem diſtantiam à terra, vel inter ſe. </s>
            <s xml:id="echoid-s16595" xml:space="preserve">Si enim eandem
              <lb/>
            diſtantiã & </s>
            <s xml:id="echoid-s16596" xml:space="preserve">inter ſe, & </s>
            <s xml:id="echoid-s16597" xml:space="preserve">à terra habuiſſent, quis non uidet, eodem modo Solem
              <lb/>
            debuiſſe in utraque eclipſi obſcurari? </s>
            <s xml:id="echoid-s16598" xml:space="preserve">Id quod à Perſpectiuis facile demonſtra
              <lb/>
            bitur, & </s>
            <s xml:id="echoid-s16599" xml:space="preserve">res perſpicua eſt in manu. </s>
            <s xml:id="echoid-s16600" xml:space="preserve">Si namque manus eandem ſemper diſtan-
              <lb/>
            tiam habet à muro aliquo, & </s>
            <s xml:id="echoid-s16601" xml:space="preserve">ab oculo, ita ut inter murum, & </s>
            <s xml:id="echoid-s16602" xml:space="preserve">oculum colloce-
              <lb/>
            tur, perpetuo eandem partem muri è conſpectu auferet, non autem nunc ma-
              <lb/>
            iorem, & </s>
            <s xml:id="echoid-s16603" xml:space="preserve">nunc minorem. </s>
            <s xml:id="echoid-s16604" xml:space="preserve">Igitur nulla ratione dici poteſt, duo hæc luminaria
              <lb/>
            in concentricis orbibus moueri, quia hac ratione ſemper æqua liter inter ſe,
              <lb/>
            & </s>
            <s xml:id="echoid-s16605" xml:space="preserve">à terra diſtarent; </s>
            <s xml:id="echoid-s16606" xml:space="preserve">atque adeo apparentia hęc eclipſium Sola rium locum nul
              <lb/>
            lo modo poſſet habere.</s>
            <s xml:id="echoid-s16607" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16608" xml:space="preserve">
              <emph style="sc">Rvrsvs</emph>
            non raro animaduerſum eſt, luminaribus eiſdem in eodem ſitu
              <lb/>
            exiſtentibus, vtpote uno in capite Draconis, & </s>
            <s xml:id="echoid-s16609" xml:space="preserve">in cauda altero, & </s>
            <s xml:id="echoid-s16610" xml:space="preserve">Luna ean-
              <lb/>
            dem latitudinem habente, eclipſes Lunares (quæ fiunt ex interpoſitione ter-
              <lb/>
            ræ inter Solem, ac Lunam, quia tunc Luna terræ umbram ingreditur, ita ut à
              <lb/>
            radijs Solaribus amplius non illuſtretur, ut poſtea dicemus.) </s>
            <s xml:id="echoid-s16611" xml:space="preserve">uno tempore ci-
              <lb/>
            tius incepiſſe, & </s>
            <s xml:id="echoid-s16612" xml:space="preserve">maiores fuiſſe, longiorique tẽpore duraſſe, quàm alio tempo
              <lb/>
            re. </s>
            <s xml:id="echoid-s16613" xml:space="preserve">Quod fieri nulla ratione potuiſſet, niſi Luna in una eclipſi maiorem umbrã
              <lb/>
            terræ fuiſſet ingreſſa, quàm in alia. </s>
            <s xml:id="echoid-s16614" xml:space="preserve">Ita enim fit, ut in illa indiguerit longiori
              <lb/>
            tẽpore, ut ſeſe ab umbra expediret, quam in hac, atq; </s>
            <s xml:id="echoid-s16615" xml:space="preserve">adeo maior ibi, quã hic
              <lb/>
            eclipſis Lunæ cõtigerit. </s>
            <s xml:id="echoid-s16616" xml:space="preserve">Atqui terra maiorem umbram efficere nõ poteſt uno
              <lb/>
            tempore, quàm alio, niſi Sol@ad eam nunc magis, nũc minus accedat, ut ad ini-
              <lb/>
            tium huius tertiæ apparentiæ docuimus: </s>
            <s xml:id="echoid-s16617" xml:space="preserve">Neque etiam Luna, ſi umbra terræ
              <lb/>
            ſemper eſſet eadem, nunc maiorem umbram pertranſiret, nunc minorem, niſi
              <lb/>
            magis uno tempore ad terram accedat, quàm alio. </s>
            <s xml:id="echoid-s16618" xml:space="preserve">Cum ergo neq; </s>
            <s xml:id="echoid-s16619" xml:space="preserve">Sol, neque
              <lb/>
            Luna terræ magis poſſit appropinquare uno tempore, quàm alio, niſi eccẽtri
              <lb/>
            cum utrique planetæ tribuamus, in quo circũferatur, ut patet, non erit alienũ
              <lb/>
            à ueritate exiſtimare, eccentricos orbes in ſphæris cæleſtibus exiſtere. </s>
            <s xml:id="echoid-s16620" xml:space="preserve">Exem-
              <lb/>
            plum huius rei habes in hac appoſita figura, ubi A, ſignificat Solem modo ter-
              <lb/>
              <figure xlink:label="fig-478-01" xlink:href="fig-478-01a" number="98">
                <image file="478-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/478-01"/>
              </figure>
            ræ B, propinquiorem, modo ab eadem magis remotum. </s>
            <s xml:id="echoid-s16621" xml:space="preserve">Ex quo ſit, ut aliquan-
              <lb/>
            do minor ſit umbra terræ, aliquando maior, quàm quidẽ Luna expreſſa per li-
              <lb/>
            teram C, in eclipſi pertranſit. </s>
            <s xml:id="echoid-s16622" xml:space="preserve">Atque hæc apparentia tantã etiam apud </s>
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