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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That the Moon may be a World.
Heat cauſed by Reflection begins to Languiſh,
whereas the Beams themſelves do paſs a great
way farther.
The chief Argument which doth
moſt plainly maniſeſt this Truth, is taken from
a common Obſervation which may be eaſily
Tryed.
If you behold the Moon a little before or
after the Conjunction, when ſhe is in a Sextile
with the Sun, you may diſcern not only the
part which is enlightned, but the reſt alſo to
have in it a kind of a duskiſh Light;
but if
you chuſe out ſuch a Situation, where ſome
Houſe or Chimney (being ſome 70 or 80 pa-
ces diſtant from you) may hide from your Eye
the enlightned Horns, you may then diſcern a
greater and more remarkable ſhining in thoſe
parts unto which the Sun-Beams cannot reach;
may there is ſo great a Light, that by the help
of a good Perſpective you may diſcern its ſpots.

In ſo much that Blancanus the Jeſuit ſpeaking
of it, ſays, Hæc experientia ita me aliquando
De mundi
fab. p. 3.
c. 3.
fefellit, ut in hunc fulgorem caſu ac repente inci-
dens, exiftimarim novo quodam miraculo tempore
adoleſcentis lunæ factum eſſe plenilunium.
‘This
‘Experiment did once ſo deceive me, that hap-
‘pening upon the ſight of this brightneſs upon
‘a ſudden, I thought that by ſome new miracle
‘the Moon had been got into her Full a little
‘after her Change.
But now this Light is not proper to the
Moon;
it doth not proceed from the Rays of
the Sun which doth penetrate her Body, nor
is it caus'd by any other of the Planets and Stars.
Therefore it muſt neceſſarily follow, that it
comes from the Earth.
The two firſt of theſe

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