Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
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COSMOTHEOROS, LIB. II.
"/>
tes, ſive Lunæ ſingulæ, non videntur Tellure noſtra mino-
<
lb
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res eſſe, ut ex umbris earum in Jovis diſco ſæpe obſervatis,
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probari poteſt. </
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<
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xml:space
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right
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xlink:label
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xlink:href
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xml:space
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">Tempora pe-
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lb
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riodorum co-
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mitum Jo-
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vialium.</
note
>
riodorum tempora ſub Ecliptica, apud Caſſinum, intimi
<
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Jovialium dies 1, horæ 18, 28′, 36″. </
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13. </
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<
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<
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<
s
xml:id
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xml:space
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<
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<
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xml:space
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<
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xml:space
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16, horæ 18. </
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<
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<
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<
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xml:space
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mi 2 {5/6} Jovis diametrorum. </
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<
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xml:space
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<
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xml:space
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<
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xml:space
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ti 12 {2/3}. </
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<
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xml:space
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">In Saturniis periodica tempora, intimi, dies 1, ho-
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ræ 21, 18′, 31″. </
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<
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xml:space
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<
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xml:space
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<
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dies 4, horæ 13. </
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<
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xml:space
="
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">Quarti dies 15, horæ 22, 41′, 11″.
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</
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<
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xml:space
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">Quinti dies 79, horæ 7, 53′. </
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xml:space
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<
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xml:space
="
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">Diſtantiæ à centro Satur-
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ni, diametris Annuli dimenſæ, Comitis intimi, {39/40}. </
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<
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xml:space
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di 1 {1/4}. </
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xml:space
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xml:space
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<
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xml:space
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<
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omnia magnis laboribus vigiliiſque reperta.</
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</
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<
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<
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xml:space
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">Ecquis jam ſyſtemata hæc inſpiciens, atque inter ſe con-
<
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ferens, non ſtupet ad magnitudinem, ingentemque paratum
<
lb
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duorum præ exiguo tenuique Telluris noſtræ? </
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<
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xml:id
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xml:space
="
preserve
">aut cui nunc
<
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in mentem venire poteſt in hac una Solem ambientium,
<
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omnem ornatum, omnia animalia, omnes qui cœleſtia mi-
<
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rentur inveniri; </
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<
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xml:space
="
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">in illis vero nihil impoſuiſſe rerum condito-
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rem; </
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<
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xml:space
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">nec alio fine tam vaſtas corporum moles o
<
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reaſſe, quam
<
lb
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ut lucem eorum nos homunculi intueremur, curſumque for-
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ſitan inquireremus?</
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</
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<
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<
s
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xml:space
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">Credo equidem futuros qui falſa aut incerta eſſe dicant,
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<
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xml:space
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preserve
">De hac pro-
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portione ma-
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gnitudinis
<
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conſtare ex
<
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recentiorum
<
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obſervatio-
<
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nibus.</
note
>
quæ de magnitudine cœleſtium ſpatiorum nobis hic ſumun-
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tur. </
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<
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xml:space
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">Scio enim quam difficulter quiſquam adducatur, qui
<
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orbis Terrarum ſpatia mirari aſſueverit, inque eo tot popu-
<
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los, urbes, imperia; </
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<
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xml:space
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">ut alibi exſtare credat quorum collatio-
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ne hoc totum tam ſit exiguum quam hæ figuræ demonſtrant.
<
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</
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<
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xml:space
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">Atqui ex ſummorum hujus ætatis Aſtronomorum ſcriptis ea
<
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hauſimus, ex quibus iſtæ ſyſtematum inter ſe rationes con-
<
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ſequantur. </
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<
s
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xml:space
="
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">Si enim Terra à Sole decem vel undecim mille
<
lb
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diametris ſuis diſtat, ut Caſſinus in Gallia, apud Anglos
<
lb
/>
Flamſtedius colligunt, parallaxium in Marte ſubtiliſſimis
<
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/>
obſervationibus uſi; </
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<
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xml:id
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xml:space
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