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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That the Moon may be a World.
2. ’Tis obſerv'd, that the Suns total Eclip-
ſes, when there is no part of his Body diſcern-
able, yet there does not always follow ſo great
a darkneſs, as might be expected from his to-
tal Abſence.
Now ’tis probable, that the rea-
ſon is, becauſe theſe thicker Vapours, being
Enlightned by his Beams, do convey ſome
Light unto us, notwithſtanding the Interpoſiti-
on of the Moon betwixt his Body and our
Earth.
3. This likewife is by ſome gueſt to be the
Reaſon of the Crepuſculum, or that light which
we have before the Suns Rifing.
Now, if there be ſuch Evaporations from
the Sun, much more then from the Moon,
which does conſiſt of a more groſs and impure
ſubſtance.
The other Arguments are taken
from ſeveral Obſervations in the Moon her
ſelf, and do more directly tend to the Proof
of this Propoſition.
2. ’Tis obſerv'd, that ſo much of the Moon
as is enlightned, is always part of her bigger
Circle, than that which is darker.
The fre-
quent Experience of others hath prov'd this,
and an eaſie Obſervation may quickly confirm
it.
But now this cannot proceed from any
other cauſe ſo probable, as from this Orb of
Air;
eſpecially when we confider how that
Planet ſhining with a borrow'd Light, doth
not ſend forth any ſuch Rays as may make her
Appearance bigger than her Body.
3. When the Moon, being half enlightned,
begins to cover any Star, if the Star be towards
the obſcurer part, then may it by the Perſpe-
ctive be diſcern'd, to be nearer unto the Cen-

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