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

Table of Notes

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          <p>
            <s xml:id="echoid-s4432" xml:space="preserve">Comme la grande excentricité de Mars
              <lb/>
            rend ſon mouvement apparent fort inégal,
              <lb/>
            c’eſt de lui principalement que Kepler s’eſt
              <lb/>
            fervi, pour examiner & </s>
            <s xml:id="echoid-s4433" xml:space="preserve">vérifier la découver-
              <lb/>
            te qu’il avoit faite de l’égalité des aires par-
              <lb/>
            courues par chaque Planete en particulier,
              <lb/>
            en tems égaux; </s>
            <s xml:id="echoid-s4434" xml:space="preserve">& </s>
            <s xml:id="echoid-s4435" xml:space="preserve">c’eſt auſſi par lui, qu’il
              <lb/>
            a reconnu & </s>
            <s xml:id="echoid-s4436" xml:space="preserve">prouvé la néceſſité qu’il y a-
              <lb/>
            voit de n’admettre par tout le Ciel que des
              <lb/>
            excentricités plus petites, environ de la
              <lb/>
            moitié de celles qui avoient été établies
              <lb/>
            par les Anciens.</s>
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          </p>
          <p>
            <s xml:id="echoid-s4438" xml:space="preserve">De toutes les Planetes, Mars eſt encore
              <lb/>
            celle qui a la plus grande Atmoſphére, à
              <lb/>
            proportion de ſon noyau, du moins à ce
              <lb/>
            qu’on en connoît juſqu’à préſent; </s>
            <s xml:id="echoid-s4439" xml:space="preserve">ce qui ſe
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            prouve par le changement de couleur d’une
              <lb/>
            Fixe obſervée par Mr. </s>
            <s xml:id="echoid-s4440" xml:space="preserve">Römer, en appro-
              <lb/>
            chant & </s>
            <s xml:id="echoid-s4441" xml:space="preserve">en quittant le diſque de Mars, la-
              <lb/>
            quelle pâlit ſenſiblement à l’approche de ce
              <lb/>
            diſque, étant encore éloignée de lui des
              <lb/>
            deux tiers du diametre du même diſque, & </s>
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              <lb/>
            qui étant ſortie de derriére le corps opaque
              <lb/>
            de Mars, ne recouvra la vivacité naturelle
              <lb/>
            & </s>
            <s xml:id="echoid-s4443" xml:space="preserve">ordinaire de ſa lumiére qu’à la </s>
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