Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s18464" xml:space="preserve">
              <pb o="145" file="0573" n="573" rhead="De Cometis."/>
            confidentiam ſuas pręſagitiones effutiens, fortaſſe divinare.
              <lb/>
            </s>
            <s xml:id="echoid-s18465" xml:space="preserve">Attamen ſi corpuſculorum concurſio fortuita, ex cauſis natu-
              <lb/>
            ralibus, ſed diſiunctis neque conſentientibus, effingit monſtrum
              <lb/>
            aliquando ita à ſui generis formâ & </s>
            <s xml:id="echoid-s18466" xml:space="preserve">figurâ alienum, ut omninò
              <lb/>
            pręter opinionem accidat; </s>
            <s xml:id="echoid-s18467" xml:space="preserve">quidnì pariter ad efformandum in,
              <lb/>
            ſupremâ regione Cometam coagmententur corpora aliqua ex
              <lb/>
            cauſis naturalibus, licèt nobis ignotis? </s>
            <s xml:id="echoid-s18468" xml:space="preserve">Quapropter Cometæ
              <lb/>
            Naturæ opificio conformati cenfendi ſunt; </s>
            <s xml:id="echoid-s18469" xml:space="preserve">neque enim ſinè
              <lb/>
            certâ ratione miracula adſtruere oportet.</s>
            <s xml:id="echoid-s18470" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s18471" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s18472" xml:space="preserve">Quamvis Cometæ inter opera Naturæ connumerandi
              <lb/>
            ſint, non tamen deſunt, qui eos non planè recentes putent, ſed
              <lb/>
            antiquos; </s>
            <s xml:id="echoid-s18473" xml:space="preserve">& </s>
            <s xml:id="echoid-s18474" xml:space="preserve">Senecam audiunt lib. </s>
            <s xml:id="echoid-s18475" xml:space="preserve">7. </s>
            <s xml:id="echoid-s18476" xml:space="preserve">Nat. </s>
            <s xml:id="echoid-s18477" xml:space="preserve">qq. </s>
            <s xml:id="echoid-s18478" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s18479" xml:space="preserve">22. </s>
            <s xml:id="echoid-s18480" xml:space="preserve">dicentem,
              <lb/>
            Non enim exiſtimo Cometam ſubitaneum ignem, ſed inter æterna
              <lb/>
            opera Naturæ. </s>
            <s xml:id="echoid-s18481" xml:space="preserve">Verùm Cometarum hiſtoria ſi attentè conſide-
              <lb/>
            retur, ſententiam illam facilè dixerim parum habere probabi-
              <lb/>
            litatis; </s>
            <s xml:id="echoid-s18482" xml:space="preserve">videntur enìm exiſtimare Cometam aut unum eſſe ex
              <lb/>
            ſideribus errantibus, quibus repletum Cœlum comminiſcun-
              <lb/>
            tur, aut ſaltem ex plurium minorum ſiderum conglobatione
              <lb/>
            conflari. </s>
            <s xml:id="echoid-s18483" xml:space="preserve">Id quod ſi concedatur, nullus fuiſſet unquam Cometa
              <lb/>
            inferior Lunâ, ſed omnes cœleſtes, cum Luna ſit infima ſide-
              <lb/>
            rum; </s>
            <s xml:id="echoid-s18484" xml:space="preserve">Cœleſtibus autem corporibus utique certa lex motuum,
              <lb/>
            ut cæteris aſtris, conveniret; </s>
            <s xml:id="echoid-s18485" xml:space="preserve">neque enim fortuitum aliquid in
              <lb/>
            Cœlo admittunt; </s>
            <s xml:id="echoid-s18486" xml:space="preserve">ac propterea, quâ ratione Planetarum inter
              <lb/>
            ſe configurationes prænuntiamus, ita Cometarum motus inno-
              <lb/>
            tuiſſet, eorumque reditûs proſpicere atque prædicare poſſemus.
              <lb/>
            </s>
            <s xml:id="echoid-s18487" xml:space="preserve">Atqui eundem Cometam aliàs viſum aliquando rediiſſe nulla
              <lb/>
            hiſtoricorum monimenta prodidere, cum in iis, qui hactenus
              <lb/>
            viſi ſunt, non levis varietas fuerit deprehenſa, ideoque nec eo-
              <lb/>
            rum circuitûs ullâ menſurâ deſiniti dici poſſunt. </s>
            <s xml:id="echoid-s18488" xml:space="preserve">Cur enim
              <lb/>
            tam diu latent? </s>
            <s xml:id="echoid-s18489" xml:space="preserve">An quia à majori proximi ſolis luce obruuntur? </s>
            <s xml:id="echoid-s18490" xml:space="preserve">
              <lb/>
            Eſſent igitur conſpicui, quoties duodecim aut viginti graduum
              <lb/>
            intervallo major fieret eorum à Sole digreſſio; </s>
            <s xml:id="echoid-s18491" xml:space="preserve">aliqui autem
              <lb/>
            cum primùm apparuerunt, multo ampliùs à Sole diſtabant,
              <lb/>
            neque ſolùm deſierunt videri, quòd ad Solem accederent: </s>
            <s xml:id="echoid-s18492" xml:space="preserve">Non
              <lb/>
            igitur heliacè oriebantur, aut occidebant. </s>
            <s xml:id="echoid-s18493" xml:space="preserve">An quia altiſſima
              <lb/>
            ætheris ſpatia percurrentes ſub aſpectum cadere nequeunt,
              <lb/>
            niſi ad terram propiùs accedant? </s>
            <s xml:id="echoid-s18494" xml:space="preserve">Fieri igitur non poſſet, quin
              <lb/>
            omnis Cometa cum primùm conſpicuus eſt, minor appareret,
              <lb/>
            & </s>
            <s xml:id="echoid-s18495" xml:space="preserve">ſenſim major, pro ut magis ad nos accedit, & </s>
            <s xml:id="echoid-s18496" xml:space="preserve">viciſsìm decre-
              <lb/>
            ſceret aſcendendo. </s>
            <s xml:id="echoid-s18497" xml:space="preserve">Cujus quidem decrementi exemplum habe-
              <lb/>
            mus apud Senecam lib. </s>
            <s xml:id="echoid-s18498" xml:space="preserve">7. </s>
            <s xml:id="echoid-s18499" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s18500" xml:space="preserve">15. </s>
            <s xml:id="echoid-s18501" xml:space="preserve">Paulò ante Acbaicum </s>
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