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

Table of contents

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[11.] PROP. V.
[12.] PROP. VI.
[13.] PROP. VII.
[14.] PROP. VIII.
[15.] PROP. IX.
[16.] PROP. X.
[17.] PROP. XI.
[18.] PROP. XII.
[19.] PROP. XIII.
[20.] PROP. XIV.
[21.] The Firſt Book. That the MOON May be a WORLD. The Firſt Propoſition, by way of Preface.
[22.] Sed vanus ſtolidis hæc omnia finxerit Error.
[23.] Solis lunæq; labores.
[24.] Cum fruſtra reſonant æra auxiliaria Lunæ.
[25.] Una laboranti poterit ſuccerrere Lunæ.
[26.] Gantus & è cælo poſſunt deducere Lunam.
[27.] Cantus & ſi curru lunam deducere tentant, Et facerent, ſi non æra repulſa ſonant.
[28.] PROP. II. That a Plurality of Worlds doth not contradict any Principle of Reaſon or Faith.
[29.] Æſtuas infelix auguſto limite mundi.
[30.] PROP. III. That the Heavens do not conſiſt of any ſuch pure Matter, which can priviledge them from the like Change and Corruption, as theſe Inferiour, Bodies are liable unto.
[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.
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              <pb o="87" file="0099" n="99" rhead="That the Moon may be a World."/>
            and the Sun on the other ſide of her, then like-
              <lb/>
            wiſe may we Diſcover theſe brighter Parts
              <lb/>
            caſting their ſhadows Weſtward. </s>
            <s xml:id="echoid-s1262" xml:space="preserve">Whereas in
              <lb/>
            the full Moon there are none of all theſe to be
              <lb/>
            feen.</s>
            <s xml:id="echoid-s1263" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1264" xml:space="preserve">But it may be Objected, that ’tis almoſt Im-
              <lb/>
            poſſible, and altogether Unlikely, that in the
              <lb/>
            Moon there ſhould be any Mountains ſo high,
              <lb/>
            as thoſe Obſervations make them. </s>
            <s xml:id="echoid-s1265" xml:space="preserve">For do but
              <lb/>
            Suppoſe, according to the common Principles,
              <lb/>
            that the Moons Diameter unto the Earths, is
              <lb/>
            very neer to the Proportion of 2 to 7. </s>
            <s xml:id="echoid-s1266" xml:space="preserve">Suppoſe
              <lb/>
            withall that theEarthsDiameter contains about
              <lb/>
            7000. </s>
            <s xml:id="echoid-s1267" xml:space="preserve">Italian Miles, and the Moons 2000. </s>
            <s xml:id="echoid-s1268" xml:space="preserve">(as is
              <lb/>
            commonly granted.) </s>
            <s xml:id="echoid-s1269" xml:space="preserve">Now Galilæus hath Ob-
              <lb/>
            ſerved, that ſome parts have been Enlightned,
              <lb/>
            when they were the Twentieth part of the Di-
              <lb/>
            ameter diſtant from the common term of Illu-
              <lb/>
            mination. </s>
            <s xml:id="echoid-s1270" xml:space="preserve">From whence, it muſt neceſſarily
              <lb/>
            follow, that there may be ſome Mountains in
              <lb/>
            the Moon, ſo high, that they are Able to caſt a
              <lb/>
            ſhadow a 100 Miles off. </s>
            <s xml:id="echoid-s1271" xml:space="preserve">An opinion that ſounds
              <lb/>
            like a Prodigy or a Fiction, wherefore ’tis likely
              <lb/>
            that either thoſe Appearances are cauſed by
              <lb/>
            ſomewhat elſe beſides Mountains, or elſe thoſe
              <lb/>
            are fallibleObſervations, from whence may fol-
              <lb/>
            low ſuch Improbable, Inconceiveable Conſe-
              <lb/>
            quences.</s>
            <s xml:id="echoid-s1272" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1273" xml:space="preserve">But to this I anſwer:</s>
            <s xml:id="echoid-s1274" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1275" xml:space="preserve">1. </s>
            <s xml:id="echoid-s1276" xml:space="preserve">You muſt Conſider the height of the
              <lb/>
            Mountains is but very little, if you compare
              <lb/>
            them to the Length of their ſhadows. </s>
            <s xml:id="echoid-s1277" xml:space="preserve">Sir Walter
              <lb/>
              <note position="right" xlink:label="note-0099-01" xlink:href="note-0099-01a" xml:space="preserve">Hiſt. l. 1.c.
                <lb/>
              7. Sect. 11.</note>
            Rawleigh Obſerves, that the Mount Atbos, now
              <lb/>
            called Lacas, caſt its ſhadow 300 Furlongs, which
              <lb/>
            is above 37 Miles; </s>
            <s xml:id="echoid-s1278" xml:space="preserve">and yet that Mount is </s>
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