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
51 39
52 40
53 41
54 42
55 43
56 44
57 45
58 46
59 47
60 48
61 49
62 50
63 51
64 52
65 53
66 54
67 55
68 56
69 57
70 58
71 59
72 60
73 61
74 42
75 63
76 65
77 65
78 66
79 67
80 68
< >
page |< < (39) 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="32">
          <p>
            <s xml:space="preserve">
              <pb o="39" file="0051" n="51" rhead="That the Moon may be a World."/>
            agreed on by the General Conſent of the moſt,
              <lb/>
            and the beſt Philoſophers.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">1. </s>
            <s xml:space="preserve">It is Solid, in Opoſition to Fluid, as is the
              <lb/>
            Air; </s>
            <s xml:space="preserve">for how otherwiſe could it beat back
              <lb/>
            the Light which it receives from the Sun?</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">But here it may be Queſtioned, whether
              <lb/>
            or no the Moon beſtow her light upon us, by
              <lb/>
            the Reflection of the Sun-beams from the Su-
              <lb/>
            perficies of her Body, or elſe by her own illu-
              <lb/>
            mination? </s>
            <s xml:space="preserve">Some there are who affirm this
              <lb/>
              <anchor type="note" xlink:label="note-0051-01a" xlink:href="note-0051-01"/>
            latter part. </s>
            <s xml:space="preserve">So (a) Averroes, (b) Gælius Rho-
              <lb/>
            diginus, (c) Fulius Gæſar &</s>
            <s xml:space="preserve">c. </s>
            <s xml:space="preserve">And their Rea-
              <lb/>
            ſon is, becauſe this Light is diſcern'd in many
              <lb/>
            Places, whereas thoſe Bodies which give
              <lb/>
            Light by Reflexion, can there only be percei-
              <lb/>
            ved where the Angel of Reflexion is Equal
              <lb/>
            to the Angel of Incidence, and this is only in
              <lb/>
            one place, as in a Looking Glaſs, thoſe Beams
              <lb/>
            which are reflected from it, cannot be percei-
              <lb/>
            ved in every place where you may ſee the
              <lb/>
            Glaſs, but only there where your Eye is pla-
              <lb/>
            ced on the ſame Line whereon the Beams are
              <lb/>
            Reſlected.</s>
            <s xml:space="preserve"/>
          </p>
          <div type="float" level="2" n="1">
            <note position="right" xlink:label="note-0051-01" xlink:href="note-0051-01a" xml:space="preserve">a De Cælo
              <lb/>
            l. 2.com.49.
              <lb/>
            b Ante le-
              <lb/>
            ction.li. 20.
              <lb/>
            c. 4.
              <lb/>
            c De pbæ-
              <lb/>
            nom. Lunæ
              <lb/>
            c. II.</note>
          </div>
          <p>
            <s xml:space="preserve">But to this I anſwer, That the Argument
              <lb/>
            will not hold of ſuch Bodies, whoſe Superfi-
              <lb/>
            cies, is full of Unequal parts and Giboſities
              <lb/>
            as the Moon is. </s>
            <s xml:space="preserve">Wherefore ’tis as well the
              <lb/>
            more probable, as the more common Opini-
              <lb/>
            on, that her Light proceeds from both theſe
              <lb/>
            Cauſes, from Reflexion and Illumination;
              <lb/>
            </s>
            <s xml:space="preserve">nor doth it herein differ from our Earth, ſince
              <lb/>
            that alſo hath ſome Light by Illumination: </s>
            <s xml:space="preserve">
              <lb/>
            for how otherwiſe would the Parts about us
              <lb/>
            in a Sun-ſhine Day appear ſo Bright, when as
              <lb/>
            the Rays of Reflexion cannot Enter into our
              <lb/>
            Eye?</s>
            <s xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>