Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="193" file="0621" n="621" rhead="De ignibus Cæleſtibus."/>
            dò factis inter partes ſpatiis eandem apparere diviſam in plu-
              <lb/>
            res minores; </s>
            <s xml:id="echoid-s20179" xml:space="preserve">modò repletis intervallis unam fieri ex pluribus,
              <lb/>
            ac demum maculam deſinere in umbram extenuatis expira-
              <lb/>
            tionibus. </s>
            <s xml:id="echoid-s20180" xml:space="preserve">Quin etiam aliquando illæ tàm promptè atque cele-
              <lb/>
            riter prorſus diſpelluntur, ut loco Maculæ clariſſima Facula
              <lb/>
            accenſa videatur; </s>
            <s xml:id="echoid-s20181" xml:space="preserve">quæ enim particulæ ſolam caloris faculta-
              <lb/>
            tem jugi agitatione exercebant, ſublato impedimento, atque
              <lb/>
            omninò expurgatæ, etiam motu porrectionis & </s>
            <s xml:id="echoid-s20182" xml:space="preserve">contractio-
              <lb/>
            nis validè ſe vibrant, acriùſque lucent præ cæteris circumpoſi-
              <lb/>
            tis, quas aliquæ expirationes, licet tenuiſſimæ, quodam-
              <lb/>
            modo inficiunt, motumque lucis proprium aliquatenus debi-
              <lb/>
            litant: </s>
            <s xml:id="echoid-s20183" xml:space="preserve">quia verò non diù perpurgata manet pars illa Solis, quin
              <lb/>
            novæ expirationes adveniant, ideò Facula extinguitur, & </s>
            <s xml:id="echoid-s20184" xml:space="preserve">fit
              <lb/>
            lux in toto diſco æquabilis.</s>
            <s xml:id="echoid-s20185" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s20186" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s20187" xml:space="preserve">Hujuſmodi expirationum immunis, ut puto, ferè
              <lb/>
            nunquam eſt Solis facies; </s>
            <s xml:id="echoid-s20188" xml:space="preserve">quamvis nec ita coagmententur, ut
              <lb/>
            ſplendorem maculis aſpergant, neque ibi hæreant ſed extrà
              <lb/>
            Solem erumpant; </s>
            <s xml:id="echoid-s20189" xml:space="preserve">quippe quæ in hæc inferiora illabuntur:
              <lb/>
            </s>
            <s xml:id="echoid-s20190" xml:space="preserve">cum enim Solis virtus in tellurem influat adeò, ut ipſa viſce-
              <lb/>
            ra permeare cenſeatur omnium conſenſu, hoc autem neque
              <lb/>
            luci, quâ lux eſt, concedi poſſit cui ſcilicet reluctatur opa-
              <lb/>
            citas, neque calori, quâ calor eſt, cum altiùs fodientibus
              <lb/>
            occurrat frigus; </s>
            <s xml:id="echoid-s20191" xml:space="preserve">reliquum eſt, Solarium expirationum natu-
              <lb/>
            ram aliis à luce & </s>
            <s xml:id="echoid-s20192" xml:space="preserve">à Calore facultatibus inſtructam eſſe, atque
              <lb/>
            ex illis, cæteriſque, quas tellus ſubminiſtrat, particulis con-
              <lb/>
            flari & </s>
            <s xml:id="echoid-s20193" xml:space="preserve">effici varias corporum proprietates. </s>
            <s xml:id="echoid-s20194" xml:space="preserve">Neque timendum
              <lb/>
            cum aliquibus, ne fortè Sol aliquando effœtus fiat. </s>
            <s xml:id="echoid-s20195" xml:space="preserve">Primùm
              <lb/>
            enim ex Solis apparente diametro nunquam minore minutis
              <lb/>
            30. </s>
            <s xml:id="echoid-s20196" xml:space="preserve">ejuſque diſtantiâ nunquam minore ſemidiametris terreſtri-
              <lb/>
            bus 2850. </s>
            <s xml:id="echoid-s20197" xml:space="preserve">elicitur ejus vera diameter ad telluris diametrum,
              <lb/>
            major quàm ſit 12. </s>
            <s xml:id="echoid-s20198" xml:space="preserve">ad 1.</s>
            <s xml:id="echoid-s20199" xml:space="preserve">, atque adeò Ratio Solis ad Terram eſt
              <lb/>
            major quàm 1728. </s>
            <s xml:id="echoid-s20200" xml:space="preserve">ad 1. </s>
            <s xml:id="echoid-s20201" xml:space="preserve">Immò ex accuratiſſimis Lunę Dicho-
              <lb/>
            tomæ obſervationibus innotuit Solem nunquam minùs abeſſe
              <lb/>
            à Tellure quàm ſemid. </s>
            <s xml:id="echoid-s20202" xml:space="preserve">terr. </s>
            <s xml:id="echoid-s20203" xml:space="preserve">7000.</s>
            <s xml:id="echoid-s20204" xml:space="preserve">, ac propterea veram Solis dia-
              <lb/>
            metrum ad tetrę diametrum eſſe majorem quàm 30. </s>
            <s xml:id="echoid-s20205" xml:space="preserve">ad 1.</s>
            <s xml:id="echoid-s20206" xml:space="preserve">, ac
              <lb/>
            proinde Solem eſſe ad Terram majorem quam 27000. </s>
            <s xml:id="echoid-s20207" xml:space="preserve">ad 1. </s>
            <s xml:id="echoid-s20208" xml:space="preserve">
              <lb/>
            Quantumvis igitur imbuatur tellus Solaribus expirationibus,
              <lb/>
            quid illę ſunt ad univerſam tàm ampli Solaris corporis molem? </s>
            <s xml:id="echoid-s20209" xml:space="preserve">
              <lb/>
            Deinde ſi in corporum coagmentatione terreſtribus particulis
              <lb/>
            copulantur aliquę, quas Sol efflavit, expirationes, in illorum
              <lb/>
            diſſolutione hæ utique non abeunt in nihilum, ideòque </s>
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