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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          <p>
            <s xml:id="echoid-s1056" xml:space="preserve">
              <pb o="70" file="0082" n="82" rhead="That the Moon may be a World."/>
            therefore the Beams muſt Sink into it, and can-
              <lb/>
            not ſo ſtrongly and clearly be reflected. </s>
            <s xml:id="echoid-s1057" xml:space="preserve">Sicut
              <lb/>
            in ſpeculo ubi plumbum abr aſum fuerit, ſaith Gar-
              <lb/>
            dan, as in Looking-glaſſes where part of the
              <lb/>
            Lead is raſed off, and nothing left behind to
              <lb/>
            Reverberate the Image, the ſpecies muſt there
              <lb/>
            paſs through, and not back again; </s>
            <s xml:id="echoid-s1058" xml:space="preserve">ſo it is
              <lb/>
            where the Beams penetrate and ſink into the
              <lb/>
            ſubſtance of the Body, there cannot be ſuch an
              <lb/>
            immediate and ſtrong Reflexion, as when they
              <lb/>
            are beat back from the Superficies, and there-
              <lb/>
            fore the Sun cauſes a greater Heat by far upon
              <lb/>
            the Land than upon the Water. </s>
            <s xml:id="echoid-s1059" xml:space="preserve">Now as for
              <lb/>
            that Experiment where it is ſaid, that the wa-
              <lb/>
            ters have a greater brightneſs than the Land:
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            </s>
            <s xml:id="echoid-s1060" xml:space="preserve">I anſwer, ’tis true only there where they re-
              <lb/>
            preſent the Image of the Sun or ſome bright
              <lb/>
            Cloud, and not in other places, eſpecially if
              <lb/>
            we look upon them at any great diſtance, as is
              <lb/>
            very plain by common Obſervation.</s>
            <s xml:id="echoid-s1061" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1062" xml:space="preserve">And ’tis certain, that from any high Moun-
              <lb/>
            tain the Land does appear a great deal brighter
              <lb/>
            than any Lake or River.</s>
            <s xml:id="echoid-s1063" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1064" xml:space="preserve">This may yet further be illuſtrated by the
              <lb/>
            ſimilitude of a Looking-glaſs hanging upon a
              <lb/>
            Wall in the Sun-ſhine, where, if the Eye be
              <lb/>
            not placed in the juſt line of Reflexion from
              <lb/>
            the Glaſs, ’tis manifeſt that the Wall will be
              <lb/>
            of a brighter appearance than the Glaſs. </s>
            <s xml:id="echoid-s1065" xml:space="preserve">True
              <lb/>
            indeed in the Line of Reflexion, the Light of
              <lb/>
            the Glaſs is equal almoſt unto that which comes
              <lb/>
            immediately from the Sun it ſelf; </s>
            <s xml:id="echoid-s1066" xml:space="preserve">but now
              <lb/>
            this is only in one particular place, and ſo is
              <lb/>
            not like that Brightneſs which we diſcern in
              <lb/>
            the Moon, becauſe this does appear </s>
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