Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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ſtantia adeò clarè diſpicerem, parúmque abeſſet, quin
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legere paginam poſſem. </
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<
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id
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">Tum verò è veſtigio ſubiit
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me ingens admiratio, quî fieret, vt potiùs, ſi Stel
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larum diſci tanti eſſent, quanti eſſe perhiberentur, non
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longè magis collucerent, nempe longè ampliùs, quàm
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Luna: quippe cùm & Stellarum lux ſit lunari longè
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viuidior; & diſci earum compoſiti viderentur mihi
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confecturi diſcum lunari maiorem. </
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<
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">Siquidem quam
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vis diſculi earum forent toto cælo diſperſi; videban
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tur tamen tantumdem præſtare poſſe luminis reſpectu
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partis eiuſdem Terræ ab hemiſphærio toto reſpectæ;
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ſicut reſpectu eiuſdem aulæ tantumdem præſtant (aut
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etiam ampliùs) candelæ variæ, ex quibus poſteà fax
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quædam ingens componitur. </
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<
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id
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">Rursùs itaque è veſti
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gio ſubiit mentem recordatio obſeruatæ exilitatis tam
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Planetarum, quàm Fixarum; ac cenſui ad illam refe
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rendum eſſe, quòd Stellarum lux adeò debilis ad nos
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perueniret. </
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<
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id
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">Quam-primùm diuerti ad hoſpitium, in
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quo fortè fortuna cælorum ſehema reperi, continens
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inter cætera, quot Stellæ eſſent primæ magnitudinis,
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quot ſecundæ, quot tertiæ, & ad vſque ſextam, ad
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quam retuli obſcuriores alias, quibus mille viginti
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duarum abſoluitur numerus; continere non potui me,
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quin ad calculos rem totam vocarem. </
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<
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<
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">Ac primùm quidem ſupponendo eſſe Stel
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larum diametros, cuiuſmodi vulgò apparent, explorare
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lubuit quem diſcum earum omnium diſci coniuncti
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crearent. </
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<
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">Attribuendo igitur Stellis primæ magnitu
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dinis, dum profunda nocte ſpectantur, diametrum
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minutorum trium; Stellis ſecundæ diametrum duo-</
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