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

Page concordance

< >
Scan Original
131 119
132 120
133 121
134 122
135 123
136 124
137 126
138 127
139 126
140 128
141 129
142 131
143 130
144 132
145 133
146 134
147 135
148 136
149 137
150 138
151 139
152 140
153 141
154 142
155 143
156 144
157 145
158 146
159 147
160 148
< >
page |< < (155) of 370 > >|
That the Moon may be a World.
    <echo version="1.0RC">
      <text xml:lang="en" type="free">
        <div type="section" level="1" n="43">
          <pb o="155" file="0167" n="167" rhead="That the Moon may be a World."/>
          <p>
            <s xml:space="preserve">3. </s>
            <s xml:space="preserve">Another way to find the height of this Va-
              <lb/>
            porous Air, is, by knowing the difſerence of
              <lb/>
            Altitude, which it cauſeth, in refracting the
              <lb/>
            Beams of any Star near the Horizon. </s>
            <s xml:space="preserve">And from
              <lb/>
            this Obſervation alſo, it is uſually concluded to
              <lb/>
            be about two or three miles high.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">But now you muſt not conceive, as if the
              <lb/>
            Orb of Magnetical Vigor, were bounded in
              <lb/>
            an exact Superficies, or, as if it did equally
              <lb/>
            hold out juſt to ſuch a determinate Line, and
              <lb/>
            no further. </s>
            <s xml:space="preserve">But as it hath been ſaid of the firſt
              <lb/>
            Region, which is there terminated, where the
              <lb/>
            Heat of Reflection does begin to Languiſh: </s>
            <s xml:space="preserve">So
              <lb/>
            likewiſe is it probable, that this Magnetical
              <lb/>
            Vigor does remit of its degrees proportionably
              <lb/>
            to its diſtance from the Earth, which is the cauſe
              <lb/>
            of it: </s>
            <s xml:space="preserve">and therefore though the thicker Clouds
              <lb/>
            may be elevated no higher, yet this Orb may
              <lb/>
            be continued in weaker degrees a little beyond
              <lb/>
            them. </s>
            <s xml:space="preserve">We will ſuppoſe it (which in all like-
              <lb/>
            lyhood is the moſt) to be about Twenty Miles
              <lb/>
            high. </s>
            <s xml:space="preserve">So that you ſee the former Theſis remains
              <lb/>
            probable, that if a Man could but fly, or by
              <lb/>
            any other means get Twenty Miles upwards, it
              <lb/>
            were poſſible for him to reach unto the Moon.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">But it may be again Objected: </s>
            <s xml:space="preserve">Tho’ all this
              <lb/>
            were true; </s>
            <s xml:space="preserve">though there were ſuch an Orb of
              <lb/>
            Air which did terminate the Earths vigour:
              <lb/>
            </s>
            <s xml:space="preserve">and tho’ the heavineſs of our Bodies could not
              <lb/>
            hinder our paſſage, through the vaſt ſpaces of
              <lb/>
            the Æthereal Air; </s>
            <s xml:space="preserve">yet thoſe two other Impe-
              <lb/>
            diments may ſeem to deny the poſſibility of
              <lb/>
            any ſuch Voyage.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">1. </s>
            <s xml:space="preserve">The extream coldneſs of that Air. </s>
            <s xml:space="preserve">If ſome
              <lb/>
            of our higher Mountains for this reaſon be not</s>
          </p>
        </div>
      </text>
    </echo>