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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[31. Necnon Oceano paſci phæbumque polumq; Gredimus.]
[32. PROP. IV. That the Moon is a Solid, Compacted, Opacous Body.]
[33. PROP. V. That the Moon hath not any Light of her own.]
[34. PROP. VI. That there is a World in the Moon, bath been the direct Opinion of many Ancient, with ſome Modern Mathematicians, and may probably de deduc’d from the Tenents of others.]
[35. PROP. VII. That thoſe Spots and brighter parts, which by our ſight may be diſtinguiſhed in the Moon, do ſhew the difference betwixt the Sea and Land, in that other World.]
[36. PROP. VIII. The Spots repeſent the Sea, and the brighter parts the Land.]
[37. PROP. IX. That there are high Mountains, deep Vallies, and ſpacious Plains in the Body of the Moon.]
[38. PROP. X. That there is an Atmo-ſphæra, or an Orb of groſs, Vaporous Air, immediately encompaſſing the body of the Moon.]
[39. PROP. XI. That as their World is our Moon, ſo our World is their Moon.]
[40. Provehimur portu, terræque urbeſque recedunt.]
[41. PROP. XII.]
[42. PROP. XIII.]
[43. PROP. XIV.]
[44. FINIS.]
[45. A DISCOURSE Concerning a Rem Planet. Tending to prove That ’tis probable our EARTH is one of the PLANETS. The Second Book. By John Wilkins, late L. Biſhop of Cheſter.]
[46. LONDON: Printed by J. D. for John Gellibrand, at the Golden Ball in St. Paul’s Church-Yard. M.DC.LXXXIV.]
[47. To the Reader.]
[48. PROP. I.]
[49. PROP. II.]
[50. PROP. III.]
[51. PROP. IV.]
[52. PROP. V.]
[53. PROP. VI.]
[54. PROP. VII. PROP. VIII. PROP. IX. PROP. X.]
[55. That the EARTH May be a PLANET. PROP. I.]
[56. PROP. II.]
[57. PROP. III.]
[58. PROP. IV.]
[59. PROP. V. That the Scripture, in its proper conſtru-ction, does not any where affirm the Immobility of the Earth.]
[60. PROP. VI. That there is not any Argument from the Words of Scripture, Principles of Na-ture, or Obſervations in Aſtronomy, which can ſuſſiciently evidence the Earth to be in the Gentre of the Uni-verſe.]
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That the Moon may be a World.
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            direct Rays may eaſily penetrate.</s>
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          <p>
            <s xml:space="preserve">But ſome may object, that this will not
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            conſiſt with that which was before deliver'd,
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            where I ſaid, that the thinneſt parts had leaſt
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            Light.</s>
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          </p>
          <p>
            <s xml:space="preserve">If this were true, how comes it to paſs then
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            that this Air ſhould be as light as any of the
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            other parts, when as ’tis the thinneſt of all?</s>
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          </p>
          <p>
            <s xml:space="preserve">I anſwer, if the Light be receiv'd by Re-
              <lb/>
            flexion only, then the thickeſt Body hath moſt,
              <lb/>
            becauſe it is beſt able to beat back the Rays;
              <lb/>
            </s>
            <s xml:space="preserve">but if the Light be receiv'd by Illumination
              <lb/>
            (eſpecially if there be an Opacous Body be-
              <lb/>
            hind, which may double the Beams by Reſlecti-
              <lb/>
            on) as it is here, then I deny not but a thin
              <lb/>
            Body may retain much Light, and perhaps,
              <lb/>
            ſome of thoſe Appearances which we take
              <lb/>
            for Fiery Comets, are nothing elſe but a bright
              <lb/>
            Cloud enlightned; </s>
            <s xml:space="preserve">ſo that probable it is, there
              <lb/>
            may be ſuch Air about the Moon; </s>
            <s xml:space="preserve">and hence
              <lb/>
            it comes to paſs, that the greater Spots are
              <lb/>
            only viſible towards her middle parts, and
              <lb/>
            none near the Circumference; </s>
            <s xml:space="preserve">not, but that
              <lb/>
            there are ſome, as well in thoſe parts, as elſe-
              <lb/>
            where, but they are not there perceivable, by
              <lb/>
            reaſon of thoſe brighter Vapours which hide
              <lb/>
            them.</s>
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        <div type="section" level="1" n="39">
          <head xml:space="preserve">PROP. XI.</head>
          <head style="it" xml:space="preserve">That as their World is our Moon, ſo our World is
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          their Moon.</head>
          <p>
            <s xml:space="preserve">I Have already handled the firſt thing that I
              <lb/>
            Promiſed, according to the Method which</s>
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