Clavius, Christoph
,
In Sphaeram Ioannis de Sacro Bosco commentarius
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Ioan. de Sacro Boſco.
"/>
co quorum utrumque eſt falſum, ſicut patet in angulis eleuatis & </
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<
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lutis.</
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<
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<
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ita confirmat cœlum eſſe rotundum. </
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<
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xml:space
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<
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oſtenſum eſt, mouetur; </
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<
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xml:space
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">ſi igitur non eſſet figuræ rotundæ, ſed multilateræ, tri-
<
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laterę uidelicet, aut quadrilaterę, &</
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<
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xml:space
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">c. </
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<
s
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xml:space
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">(nomine trilateræ figurę intellige pyra-
<
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mida lem, loco vero quadrilaterę cubicam) ſequerentur duo impoſſibilia: </
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<
s
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xml:space
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">unũ
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/>
quòd eſſet aliquis locus ſine corpore, alterum, quòd daretur corpus ſine loco,
<
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/>
quorum utrumque pugnat cum rerum natura. </
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>
<
s
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xml:space
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">Neceſſe eſt igitur cœlum eẽ ro
<
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tundum. </
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>
<
s
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xml:space
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">Conſecutio manifeſta eſt ex eleuatione, & </
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<
s
xml:id
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xml:space
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">depreſſione angulorum fi-
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gurę cuiuſcunque multilateræ, ſi circa centrum moueretur.</
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</
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<
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<
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<
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>
ratio ſolum concludit, cęlum eſſe aliquo modo rotundum, hoc eſt,
<
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non angulare, propter illa inconuenientio, ad quæ deducit auctor, ſi eſſet figu
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ræ angularis: </
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>
<
s
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xml:space
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">non tamen ſimpliciter ex c
<
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a colligitur, cælum eſſe ſphęricum. </
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<
s
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xml:space
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">Di
<
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ceret enim quiſpiam, ipſum eſſe figurę oualis, ſeu lenticularis, conicę, uel cylin
<
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dricæ. </
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>
<
s
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xml:space
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">Nam ſi ponatur cælum eſſe alicuius harum formarum, omnia illa abſur-
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da facili negotio uitabuntur; </
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>
<
s
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xml:space
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">quoniam hoc conceſſo, poterit cælum ita circa
<
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axem ſuum moueri, ut continue partes partibus in eiſdem ſuccedant locis, quẽ
<
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admodum accidere uidemus in corpore ſphærico ſeu globoſo. </
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<
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note-141-01a
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xml:space
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">Confirma -
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tur ratio a
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neceſſitate@.</
note
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cendum eſt, rationem prædictam a neceſſitate concludere cęlum eſſe perfectiſ
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ſime ſphæricum, & </
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<
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xml:space
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">Cæli etenim in
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feriores, ut ſupra fuit oſtenſum, mouentur motu oppoſito motui primi mobi-
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lis ſuper diuerſos polos a polis primi mobilis: </
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<
s
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xml:space
="
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">non poſſent autem hoc motu
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moueri, ſi ſphęrici non eſ@ent, niſi fieret penetratio corporum, uel ſciſſio cœlo-
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rum, ut manifeſtum eſt rẽ accuratius conſideranti; </
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<
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">quorum vtrũq. </
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</
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xml:space
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">Item conſequerentur eadem abſurda allata ab auctore contra figuram angula-
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rem. </
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141-01
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/141-01
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bis, ſi fieri poteſt, A B C, cuius axis
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A D C, poli A, & </
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itidem oualis orbis ſit E H F G E,
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qui quoniam cæli ſecundum omnes
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philoſophos ſunt uniformes, quoad
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craſſitiem & </
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tur ſecundum ſitum, & </
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<
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ſuperioris orbis, ita ut longitudines
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eorum habeant eandem diametrum,
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vt hic uides. </
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<
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xml:space
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">Sit iam axis inferioris
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orbis G D H, circa quem ab occaſu in ortum mouetur, iam manifeſtum eſt, ad
<
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/>
motum in ferioris orbis ſuper axe G D H, circumſtans corpus cæleſte diſcindi,
<
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atque penetrari, traducetur enim pars E, circa polum G, in I, punctum, & </
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F, circa polum H, in punctum K, quare relinquentur partes E, & </
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in propoſita figura cernis.</
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</
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<
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<
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quoq. </
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<
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<
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<
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<
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xlink:label
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xml:space
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probans cæ
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lum eſſe ro
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tundum, a@
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ſphęricum.</
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>
cum, ex eo, quòd uidemus omnes ſtellas fixas ſemper in eadem diſtantia, & </
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<
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pinquitate ad nos moueri, & </
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<
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">eas, quæ ſunt propinquiores polis, deſcribere cir
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culos minores, illas uero, quæ ſunt remotiores, proportionabiliter maiores:</
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