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 Moon may be a World.
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              <pb o="116" file="0128" n="128" rhead="That the Moon may be a World."/>
            by the ſame reaſon, may a brighter Vapour
              <lb/>
            be the cauſe of theſe appearances.</s>
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          </p>
          <p>
            <s xml:space="preserve">But how probable ſoever this Opinion may
              <lb/>
            ſeem, yet if well conſider’d, you ſhall find it
              <lb/>
            altogether abſurd and impoſſible: </s>
            <s xml:space="preserve">for,</s>
          </p>
          <p>
            <s xml:space="preserve">1. </s>
            <s xml:space="preserve">Theſe Stars were never ſeen there before,
              <lb/>
            and ’tis not likely, that a Vapour being hard
              <lb/>
            by us, can ſo multiply that Light, which could
              <lb/>
            not before be at all diſcern’d.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">2. </s>
            <s xml:space="preserve">This ſuppos’d Vapour cannot be either
              <lb/>
            contracted into a narrow compaſs, or dilated
              <lb/>
            into a broad. </s>
            <s xml:space="preserve">1. </s>
            <s xml:space="preserve">It could not be within a little
              <lb/>
            ſpace, for then that Star would not appear
              <lb/>
            with the ſame multiplyed Light to thoſe in
              <lb/>
            other Climates. </s>
            <s xml:space="preserve">2. </s>
            <s xml:space="preserve">It cannot be a dilated Va-
              <lb/>
            pour, for then other Stars which were diſcer-
              <lb/>
            ned through the ſame Vapour, would ſeem as
              <lb/>
            big as that; </s>
            <s xml:space="preserve">this Argument is the ſame in ef-
              <lb/>
            fect, with that of the Paralax, as you may ſee
              <lb/>
            in this Figure.</s>
            <s xml:space="preserve"/>
          </p>
          <figure>
            <image file="0128-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0128-01"/>
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          <p>
            <s xml:space="preserve">Suppoſe AB to be a Hemiſphere of one
              <lb/>
            Earth, CD to be the upper part of the high-
              <lb/>
            eſt Region, in which there might be either a
              <lb/>
            contracted Vapour, as G, or elſe a dilated one;</s>
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