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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            <s xml:id="echoid-s1529" xml:space="preserve">
              <pb o="106" file="0118" n="118" rhead="That the Moon may be a World."/>
            only one ſmall part of her Body enlightned,
              <lb/>
            then the Earth B will have ſuch a part of its
              <lb/>
            viſible Hemiſphere darkned, as is proportio-
              <lb/>
            nable to that part of the Moon which is en-
              <lb/>
            lightned; </s>
            <s xml:id="echoid-s1530" xml:space="preserve">and as for ſo much of the Moon, as
              <lb/>
            the Sun-Beams cannot reach unto, it receives
              <lb/>
            Light from a proportional part of the Earth
              <lb/>
            which ſhines upon it, as you may plainly per-
              <lb/>
            ceive by the Figure.</s>
            <s xml:id="echoid-s1531" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1532" xml:space="preserve">You ſee then that Agreement and Simili-
              <lb/>
            tude which there is betwixt our Earth and the
              <lb/>
            Moon. </s>
            <s xml:id="echoid-s1533" xml:space="preserve">Now the greateſt difference which
              <lb/>
            makes them unlike, is this, that the Moon en-
              <lb/>
            lightens our Earth round about, whereas our
              <lb/>
            Earth gives Light to that Hemiſphere of the
              <lb/>
            Moon which is viſible unto us, as may be cer-
              <lb/>
            tainly gather’d from the conſtant appearance
              <lb/>
            of the ſame ſpots, which could not thus come
              <lb/>
            to paſs, if the Moon had ſuch a Diurnal mo-
              <lb/>
            tion about its own Axis, as perhaps our
              <lb/>
            Earth hath. </s>
            <s xml:id="echoid-s1534" xml:space="preserve">And though ſome ſuppoſe her
              <lb/>
            to move in an Epicycle, yet this doth not ſo
              <lb/>
            turn her Body round, that we may diſcern
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            both Hemiſpheres; </s>
            <s xml:id="echoid-s1535" xml:space="preserve">for according to that Hy-
              <lb/>
            potheſis (ſay they) the Motion of her Eccen-
              <lb/>
            centrick doth turn her Face towards us, as
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            much as the other doth from us.</s>
            <s xml:id="echoid-s1536" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1537" xml:space="preserve">But now, if any Queſtion what they do for
              <lb/>
            a Moon who live in the upper part of her Bo-
              <lb/>
            dy? </s>
            <s xml:id="echoid-s1538" xml:space="preserve">I anſwer, the ſolving of this, is the moſt
              <lb/>
            uncertain and difficult thing that I know of,
              <lb/>
            concerning this whole matter. </s>
            <s xml:id="echoid-s1539" xml:space="preserve">But yet unto me
              <lb/>
            this ſeems a probable Conjecture.</s>
            <s xml:id="echoid-s1540" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1541" xml:space="preserve">That the upper Hemiſphere of the Moon
              <lb/>
            doth receive a ſufficient Light from thoſe </s>
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