Biancani, Giuseppe, Aristotelis loca mathematica, 1615

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              <s id="s.001623">
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              EX PRIMO METEORORVM.
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              131</s>
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              <s id="s.001626">Svmma 1. cap. 3.
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              (Moles autem terræ quanta ſit ad ambientes magnitudi­
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              nes, non immanifestum, iam enim viſum est per aſtrologica theoremata,
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              quod multò etiam quibuſdam aſtris est minor)
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              Quantitas terræ non ſo­
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              lum abſolutè conſiderata, ab Aſtronomis explorata habetur, vt vi­
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              dere eſt in ſphæra Clauij; ſed etiam reſpectiuè conſiderata, ideſt reſpectu
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              aliorum elementorum, & ipſorum etiam aſtrorum; cuius demonſtrationes
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              ſunt partim in libello Ariſtarchi Samij, de magnitudine, & diſtantia Solis,
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              & Lunæ, partim apud Ptolæmeum in magna Syntaxi, ſiue Almageſto: par­
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              tim apud Albategnium de ſcientia ſtellarum: partim demum apud Ticho­
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              nem Brahe. </s>
              <s id="s.001627">Porrò facile eſt demonſtrare Solem eſſe terra multò maiorem,
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              terram verò maiorem Luna,
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              ; ex eclypſi lunari, cuius imaginem habes
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              in figura ſequenti; vbi vmbra terræ eſt D B E, in quam Luna nigricans im­
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              mergitur, ac lumine deficit, reliqua cognitu ſunt facilia: quia igitur Aſtro­
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              nomi obſeruarunt vmbram terræ paulò ſupra Lunam pertingere, cum ſupe­
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              riora aſtra non adeat, hinc collegerunt eam neceſſariò eſſe acuminatam, ſeu
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              conicam, vt figura refert. </s>
              <s id="s.001628">Cum ergo terra vmbram proijciat turbinatam,
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              neceſſariò corpus Solis, quod ipſam illuminat, eadem maior erit: quoti­
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              diana enim experientia docemur, corpore illuminante exiſtente maiore
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              quà ſit illuminatum, vmbram proijci faſtigiatam: cum deinde Solem val­
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              de a terra diſtare certum ſit, optimè infertur, eum reſpectu terræ eſſe maxi­
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              mum: quanto enim duæ lineæ, ſiue radij B A, B C. à terra ad partes Solis
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                <figure id="id.009.01.089.1.jpg" place="text" xlink:href="009/01/089/1.jpg" number="51"/>
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              magis elongantur, tan­
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              to maius corpus
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                minans</expan>
              intercipiunt. </s>
              <s id="s.001629">ha­
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              ctenus de magnitudine
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              terræ ad Solem. </s>
              <s id="s.001630">Cum
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              verò Luna eclypſatio­
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              nis tempore, aliquan­
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              do non ſolum tota in
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              vmbræ vertice lateat,
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              verùm etiam
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              moram trahat, euidens
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              eſt, eam eſſe multò mi­
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              norem illa vmbræ par­
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              te, in quam immergi­
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              tur; quæ pars cum ſit
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              conicæ vmbræ media,
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              erit multò gracilior
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              quàm ſit ipſa terra.
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              </s>
              <s id="s.001631">Ex quo manifeſtè apparet, Lunam, quæ illa vmbra minor eſt, eſſe à fortio­
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              ri multò minorem ipſa terreſtri mole. </s>
              <s id="s.001632">Atque hæc de comparatione terræ
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              ad Lunam. </s>
              <s id="s.001633">harum rerum demonſtrationes exactiores pertractare non eſt
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              huius loci.</s>
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              132</s>
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              <s id="s.001636">Eodem cap.
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              (Conſiderantes vtique, quæ nunc oſtenduntur per Mathematica
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