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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[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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347167That the Earth may be a Planet. that Hemiſphere muſt be involved in darkneſs,
which did before partake of Light.
thoſe Parallels towards the North and South
Poles, will ſtill be divided by the ſame ine-
But thoſe bigger parts, which were
before enlightned, will now be darkned, &

vice verſa.
As when the Earth was in N, the
Artick Circle MN was wholly enlightned,
and the Antartick KL altogether in the
So now, when it is in A, the Antar-
tick KL, will be wholly in the Light, and
the other MN, altogether obſcured.
as the Sun before was vertical to the Inhabi-
tants at the Tropick FG.
So now is he in the
ſame ſcituation to thoſe that live under the
other Tropick HI.
And whereas before the
Pole did incline 23 degrees 30 minutes to-
wards the Sun, ſo now does it recline as much
from him.
The whole difference will amount
to 47 degrees, which is the diſtance of one
Tropick from the other.
But now, in the two other Figures, when
the Earth is in either of the Equinoctials ♈ ♎,
the Circle of Illumination will paſs through
both the Poles;
and thereſore muſt divide
all the Parallels into equal parts.
whence it will follow, that the Day and
Night muſt then be equal in all places of the
As the Earth is here repreſented in ♎, it
turns only the enlightned part towards us;
as it is in ♈, we ſee its Nocturnal Hemiſphere.
So that according to this Hypotbeſis, we
may eaſily and exactly reconcile every

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