Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="211" file="0639" n="639" rhead="De ignibus Cœleſtibus."/>
            tiam ſub tenui diametro apparente, nam & </s>
            <s xml:id="echoid-s20681" xml:space="preserve">turres quadratæ ex
              <lb/>
            maximo intervallo apparent rotundæ globoſas tamen etiam
              <lb/>
            fixas ſtellas eſſe ſuadebat Planetarum figura, tùm Lunæ & </s>
            <s xml:id="echoid-s20682" xml:space="preserve">
              <lb/>
            Veneris diverſas phaſes ſubeuntium, tùm Jovis, cujus faſciæ
              <lb/>
            nunc rectæ, nunc ſinuatę apparent; </s>
            <s xml:id="echoid-s20683" xml:space="preserve">id quod corpori ſphœri-
              <lb/>
            co congruit: </s>
            <s xml:id="echoid-s20684" xml:space="preserve">præterquamquod, quibus corporibus certam fi-
              <lb/>
            guram Natura non præſcripſit congruentem tùm peculiari
              <lb/>
            materiæ, ex quâ efformantur, tùm fini, ad quem referun-
              <lb/>
            tur, globoſa convenit, quippe quæ ſibi eſt uſquequaque ſimi-
              <lb/>
            lis. </s>
            <s xml:id="echoid-s20685" xml:space="preserve">Porrò univerſum ſtellæ globum intrà Firmamentum con-
              <lb/>
            tineri exiſtimabam, ne Cœli Planetarii terminos tanta moles
              <lb/>
            invaderet, quæ valde aſperam redderet Firmamenti ſuperfi-
              <lb/>
            ciem, extrà quam, ſicut clavorum tabulę infixorum capita,
              <lb/>
            omnes pariter eminerent, ſed longè majori inæqualitate ob
              <lb/>
            ingentem earum molem, quæ ex ſuperficie prominens in ve-
              <lb/>
            lociſſimo motu findens ſubiectum æthera, non levem moram
              <lb/>
            inveniret. </s>
            <s xml:id="echoid-s20686" xml:space="preserve">Neque propterea quod ſtella intrà Cœlum conclu-
              <lb/>
            deretur, aut lucis diffuſio, aut halituum effluxus impedire-
              <lb/>
            tur à perſpicuâ Cœli naturâ atque permeabili, quamvis ſuâ
              <lb/>
            firmitate chryſtallum æmuletur: </s>
            <s xml:id="echoid-s20687" xml:space="preserve">nam & </s>
            <s xml:id="echoid-s20688" xml:space="preserve">incluſam in laternâ
              <lb/>
            faculam per obductum vitrum perſpicimus, nec ſinè tactûs
              <lb/>
            moleſtiâ phialam aquâ fivè gelidâ, fivè fervente plenam tra-
              <lb/>
            ctamus: </s>
            <s xml:id="echoid-s20689" xml:space="preserve">permeabilem verò Cœli ſolidi naturam dico, non
              <lb/>
            quidem naturis omnibus, ſed ſubtiliſſimis ſtellarum haliti-
              <lb/>
            bus; </s>
            <s xml:id="echoid-s20690" xml:space="preserve">ſic incerniculum pollinem tranſmittit, non furfures.
              <lb/>
            </s>
            <s xml:id="echoid-s20691" xml:space="preserve">Hinc, fateor, propendebam in eam ſententiam, ut opina-
              <lb/>
            rer ſtellarum intrà Cœli ſoliditatem concluſarum naturam non
              <lb/>
            eſſe planè duram & </s>
            <s xml:id="echoid-s20692" xml:space="preserve">conſilſtentem, cujuſmodi eſſe videntur
              <lb/>
            Planetæ per æthera vagantes, ſed neque omninò inſtar aquæ
              <lb/>
            aut tenuis flammæ diffiuentem, verùm medię cujuſdam tem-
              <lb/>
            perationis, mobilis tamen atque perpetuò volubilis perinde,
              <lb/>
            ferè atque ignis in fornace docimaſticâ, quando maximè fer-
              <lb/>
            vet, ita ut unumquodque ſidus motum ſuum exporrectionis
              <lb/>
            & </s>
            <s xml:id="echoid-s20693" xml:space="preserve">contractionis luci proprium exercere valeat. </s>
            <s xml:id="echoid-s20694" xml:space="preserve">Verùm cum
              <lb/>
            hęc nullo ſatis valido argumento firmare poſſim, me in ſum-
              <lb/>
            mâ rerum hujuſmodi ignoratione verſari, profiteri non eru-
              <lb/>
            beſco.</s>
            <s xml:id="echoid-s20695" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s20696" xml:space="preserve">Maur. </s>
            <s xml:id="echoid-s20697" xml:space="preserve">Si conditi fuiſſemus Lunaris globi incolæ, & </s>
            <s xml:id="echoid-s20698" xml:space="preserve">de,
              <lb/>
            Tellure ſermo incideret, utique de hac, ut puto, diſſerere-
              <lb/>
            mus fortaſſe longè aliter, ac res ſit; </s>
            <s xml:id="echoid-s20699" xml:space="preserve">ſed ſatis haberemus opi-
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            nari res fieri in terrâ ex analogiâ ad ea, quę in Lunâ </s>
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