Voltaire, Elémens de la philosophie de Neuton : mis à la portée de tout le monde

Table of Notes

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            tournant réellement ſur elle-même, elle pa-
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            roît ne point tourner du tout, & </s>
            <s xml:id="echoid-s3454" xml:space="preserve">avoir ſeu-
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            lement un petit mouvement de balancement,
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            de libration, qu’elle n’a point, & </s>
            <s xml:id="echoid-s3455" xml:space="preserve">que tou-
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            te l’Antiquité lui attribuoit.</s>
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            <s xml:id="echoid-s3457" xml:space="preserve">Tous ſes autres mouvemens autour de la
              <lb/>
            Terre ſont inégaux, & </s>
            <s xml:id="echoid-s3458" xml:space="preserve">doivent l’être ſi la
              <lb/>
            règle de la gravitation eſt vraye. </s>
            <s xml:id="echoid-s3459" xml:space="preserve">La Lune
              <lb/>
            dans ſon cours d’un mois eſt néceſſairement
              <lb/>
            plus près du Soleil dans un certain point,
              <lb/>
            & </s>
            <s xml:id="echoid-s3460" xml:space="preserve">dans un certain tems de ſon cours: </s>
            <s xml:id="echoid-s3461" xml:space="preserve">or
              <lb/>
            dans ce point & </s>
            <s xml:id="echoid-s3462" xml:space="preserve">dans ce tems ſa maſſe
              <lb/>
            demeure la même: </s>
            <s xml:id="echoid-s3463" xml:space="preserve">ſa diſtance étant ſeule-
              <lb/>
            ment changée, l’attraction du Soleil doit
              <lb/>
            changer en raiſon reverſée du quarré de
              <lb/>
            cette diſtance: </s>
            <s xml:id="echoid-s3464" xml:space="preserve">le cours de la Lune doit
              <lb/>
            donc changer, elle doit donc aller plus vîte
              <lb/>
            en certains tems que l’attraction ſeule de la
              <lb/>
            Terre ne la feroit aller; </s>
            <s xml:id="echoid-s3465" xml:space="preserve">or par l’attraction
              <lb/>
            de la Terre elle doit parcourir des aires é-
              <lb/>
            gales en tems égaux, comme vous l’avez
              <lb/>
            déja obſervé au Chapitre 19.</s>
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          <p>
            <s xml:id="echoid-s3467" xml:space="preserve">On ne peut s’empêcher d’admirer avec
              <lb/>
            quelle ſagacité Neuton a démêlé toutes ces
              <lb/>
            inégalités, réglé la marche de cette </s>
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