Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642

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              <s id="id.000969">
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              cum, quàm ſupra æquinoctialem; quia longitudo
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              gradus ſupra Tropicum eſt veluti directè jacens ab
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              occaſu in ortum; ſupra æquinoctialem verò obliquè
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              ſe habet. </s>
              <s id="id.000970">Ex hoc autem fit, vt ſpecialis quædam inæ­
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              qualitas reuolutioni diurnæ contingat tam in ſolſti­
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              tialibus, quàm in æquinoctialibus locis; ob quam
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              diurnæ illæ reciprocationes alterationem ſubeant,
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              dum in ipſis Terra verſatur; neque tam vehementeis
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              ſubeant in locis intermediis, vbi eiuſmodi inæquali­
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              tas aut minor eſt, aut euaneſcit. </s>
              <s id="id.000971">Atque hæc aliunde
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              videri poteſt cauſa, cur æſtus vehementior ſit ſub
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              ſolſtitiis, æquinoctiiſque, quàm temporibus cæ­
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              teris: cùm etiam, quia motus diurnus aduerſatur
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              magis motui annuo ad Æquinoctialem, quàm ad
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              Tropicum (quòd vterque motus Terra exſiſtente in
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              Tropico conſpiret directè in ortum, exſiſtente verò
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              in Æquinoctiali alius ad alium obliquus ſit) inde fieri
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              poſſe videatur, cur æquinoctiales reciprocationes
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              ſint ſolſtitialibus æſtuoſiores. </s>
              <s id="id.000972">Denique imaginare
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              Lunam eſſe Terræ quaſi illigatam, vnáque delatam; &
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              orbem magnum, per quem Terra motu annuo ince­
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              dit, comprehendere non tantum iter ipſius medium,
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              ſed totum etiam ſpatium heinc inde verſus Martem,
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              ac Venerem, cuius extrema à Luna Terram motu
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              menſtruo circumambiente attinguntur. </s>
              <s id="id.000973">Imaginare
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              rursus vim, qua Sol tam Terram, quam Lunam mo­
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              uet, explicari per radium, ſeu quaſi virgulam, chordu­
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              lamve à Sole protenſam: concipies ſanè hanc chor­
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              dulam longiorem eſſe cùm Luna eſt in oppoſitione,
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              vltra nempe Terram, quàm dum in coniunctione eſt, </s>
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