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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tium circa ipſas, qua forma hîcconſpicitur, multo illuſtrius
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appareret reliquo omni cælo; </
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<
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xml:space
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">quod cum apprime ſerenum
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eſſet ac cerneretur nigerrimum, velut hiatu quodam inter-
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ruptum videbatur, per quem in plagam magis lucidam eſſet
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proſpectus. </
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<
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xml:space
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">Idem verò in hanc uſque diem nihil immutata
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facie ſæpiùs atque eodem loco conſpexi; </
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<
s
xml:id
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xml:space
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">adeo ut perpetuam
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illic ſedem habere credibile ſit hoc quidquid eſt portenti; </
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<
s
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xml:space
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">cui
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certè ſimile aliud nuſquam apud reliquas fixas potui animad-
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vertere. </
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<
s
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xml:space
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">Nam cæteræ nebuloſæ olim exiſtimatæ, atque ipſa
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via lactea, perſpicillo inſpectæ, nullas nebulas habere com-
<
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periuntur, neque aliud eſſe quam plurium ſtellarum conge-
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ries & </
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<
s
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xml:space
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">frequentia.</
s
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<
s
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<
s
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xml:space
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">In Lunæ facie autem quàm multa, diligentiſſimis quibus-
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que obſervatoribus præterita, tubis noſtris detegantur, non
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referam; </
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>
<
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xml:space
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">quandoquidem ſchemate ad hoc deſcripto opus eſ-
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ſet, eoque ampliſſimo. </
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>
<
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echoid-s5459
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xml:space
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">Quem laborem hactenus non ſuſ-
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cepimus, credimuſque exiturum in immenſum, ſi montium
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omnium eminentias & </
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<
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xml:space
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">anfractus, qua multitudine nobis vi-
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dentur, depingere conemur. </
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<
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xml:space
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">Itaque ad Saturni obſervatio-
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nes pergo, de quibus ſciendum eſt, priores omnes, uſque
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ad eam quam 19 Febr. </
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<
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xml:space
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">Anno 1656 annotavimus, tubo 12
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pedum peractas eſſe, reliquas pedum 23. </
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xml:space
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">Uterque autem
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everſo ſitu viſibile referebant, ideoque ſchemata omnia, non
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ut primùm deſcripta fuerant, hîc expreſſimus, ſed ſupera
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inferis, dextra ſiniſtris permutavimus, ut vera pateret diſ-
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poſitio.</
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<
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">Die igitur, ſecundum Calendarium Gregorianum, 25
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">Circa Sa-
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turnum ob-
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ſervationes.</
note
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Martii, Anno 1655, circa horam 8 veſpertinam, Saturnum
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conſpexi cum brachiis utrinque ſecundum rectam lineam ex-
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<
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xlink:label
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">TAB, XLVII.
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fig. 5.</
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tentis; </
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<
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xml:space
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">tribuſque fere ſcrupulis ab eo diſtantem occaſum
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verſus ſtellulam quandam exiguam a, ſic ſitam, ut ſi per bra-
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chium u@rumque recta duceretur, ea in illam incurreret, aut
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certè pauxillo tantum inferior tranſiret. </
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xml:space
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">Alteraque item
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verſus orientem ſtellula b aderat, paulo longius à Saturno re-
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mota, & </
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xml:space
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prima vice ſuſpicatus ſum ſtellam a Saturnum comitari, </
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