Wilkins, John, A discovery of a new world : or a discourse tending to prove, that 'tis probable there may be another Habitable World in the Moon ; with a discourse concerning the Probability of a Passage thither; unto which is added, a discourse concerning a New Planet, tending to prove, that 'tis probable our earth is one of the Planets

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That the Earth may be a Planet.
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            <s xml:space="preserve">
              <pb o="137" file="0317" n="317" rhead="That the Earth may be a Planet."/>
            Prejudice the preſent Opinion, or common
              <lb/>
            Principles.</s>
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          </p>
          <p>
            <s xml:space="preserve">Ad 3. </s>
            <s xml:space="preserve">As the ſound of this Motion is not
              <lb/>
            more heard, than the Harmony of the Hea-
              <lb/>
            vens: </s>
            <s xml:space="preserve">ſo neither is there any reaſon vvhy
              <lb/>
            this Motion ſhould cauſe a ſound, more than
              <lb/>
            the ſuppoſed Motion of the Heavens, vvhich
              <lb/>
            is likevviſe thought to be continued unto the
              <lb/>
            Air hard by us.</s>
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          </p>
          <p>
            <s xml:space="preserve">Ad 4. </s>
            <s xml:space="preserve">This vvill prove the Earth to move
              <lb/>
            as vvell as the Heavens; </s>
            <s xml:space="preserve">For that has, firſt,
              <lb/>
            a round Figure, as is generally granted.
              <lb/>
            </s>
            <s xml:space="preserve">Secondly, Being conſidered as vvhole, and
              <lb/>
            in its proper place, it is not heavy, as vvas
              <lb/>
            proved before: </s>
            <s xml:space="preserve">and as for the tvvo other
              <lb/>
            conditions, neither are they true of the
              <lb/>
            Heavens; </s>
            <s xml:space="preserve">nor if they vvere, vvould they
              <lb/>
            at all conduce to their Motion.</s>
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          </p>
          <p>
            <s xml:space="preserve">Ad 5. </s>
            <s xml:space="preserve">This Argument vvould prove
              <lb/>
            that the Sea did not ebb and flow, becauſe
              <lb/>
            there is not the ſame kind of motion in eve-
              <lb/>
            ry drop of Water: </s>
            <s xml:space="preserve">or that the whole Earth
              <lb/>
            is not ſpherical, becauſe every little piece of
              <lb/>
            it is not of the ſame Form.</s>
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          </p>
          <p>
            <s xml:space="preserve">Ad 6. </s>
            <s xml:space="preserve">This is rather an Illuſtration than
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            a Proof; </s>
            <s xml:space="preserve">or if it do prove any thing, it may
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            ſerve as well for that purpoſe unto which it
              <lb/>
            is afterward applied, where the motion of
              <lb/>
            every Planet is fuppoſed to depend upon the
              <lb/>
            revolution of the Sun.</s>
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          </p>
          <p>
            <s xml:space="preserve">Ad 7. </s>
            <s xml:space="preserve">That the Sun and Planets do work
              <lb/>
            upon the Earth by their own real daily mo-
              <lb/>
            tion, is the thing in queſtion; </s>
            <s xml:space="preserve">and there-
              <lb/>
            fore muſt not be taken for a common
              <lb/>
            Ground.</s>
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