Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
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SYSTEMA SATURNIUM.
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quampiam miniméque tornatilem. </
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<
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xml:space
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">Porrò quum certo ſatis
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colligi poſſe videatur, ob ſimilitudinem ac cognationem
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magnam quæ Saturno cum Tellure noſtra intercedit, illum
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perinde ut hæc in medio ſui vorticis ſitum eſſe, centrumque
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ejus verſus omnia naturâ ſuâ tendere quæ illic gravia haben-
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tur; </
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<
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xml:space
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">inde neceſſario quoque efficitur, annulum iſtum omni-
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bus ſui partibus æqualivi ad centrum nitentem, hoc ipſo ita
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conſiſtere, ut undiquaque pari intervallo à centro abſit. </
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<
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nè ſicuti quidam contemplati ſunt, quod ſi continuum for-
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nicem per totum terrarum ambitum exſtrui poſſibile eſſet, is
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abſque ullo fulcimine ſemet ipſum eſſet ſuſtentaturus. </
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<
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xml:space
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">Ergo
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tale quid in Saturno reipſa effectum eſſe ne protinus abſur-
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dum credant, ſed ſuſpiciant potius infinitam naturæ poten-
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tiam & </
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<
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">majeſtatem, quæ ſubinde nova ſuorum operum ſpe-
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cimina in lucem promens, plura etiam ſupereſſe admonet.
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</
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<
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<
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">Diximus brachiorum lineam anno 1655 eclipticæ occur-
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xml:space
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">Saturni ma-
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jor diameter
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Æquatori
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parallela
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oſtenditur.</
note
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rere viſam angulo partium plus minus 20. </
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">Quod cum præ-
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cipuè faciat ad phænomena ex hypotheſi noſtra deducenda,
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antequam ad illa accedamus, ita ſe habere ex obſervationi-
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bus oſtendendum eſt.</
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<
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">Cum igitur 25 Martii, anno 1655, Saturni in A poſiti ad
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">TAB. XLIX.
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fig. 3.</
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ſtellam fixam B ea fuerit conſtitutio quæ hîc adnotata eſt,
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ut conſtat ex ſuperioribus obſervationibus; </
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<
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quenti ſicut in D & </
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">B, tertioque item die ſicut in C & </
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<
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xml:space
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">B,
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ita ut quotidie linea anſarum producta altius ſupra ſtellam B
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aſcenderet; </
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<
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xml:space
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">hinc perſpicuum fit viam Planetæ A C nequa-
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quam congruere directioni anſarum, ſed diverſam ferri an-
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gulo A C E, quem 20. </
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">gr. </
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<
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<
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tempore nihil admodum mutabatur latitudo Saturni appa-
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rens, unde conſtat viam A C eclipticæ parallelam fuiſſe; </
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<
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proinde eodem illo 20 gr. </
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<
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anſarum deflexiſſe.</
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<
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<
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fig. 4.</
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aliam fixam C talis annotatus fuit Saturni poſitus qualis in
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L, M, N, O cernitur. </
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