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 Earth may be a Planet.
appear ſixty times bigger when he is near
us, than at his greateſt diſtance;
that he is
ſometimes in oppoſition to the Sun.
From
whence we may conclude, that his Orb does
contain our Earth within it.
’Tis obſerved
alſo, that he does conſtantly appear in the
Full, and never horned;
from whence likewiſe
it is manifeſt, that the Sun is comprehended
within its Orb, as it is in that which is re-
preſented by the Circle E.
And becauſe the like appearances are ob-
ſerved in Jupiter and Saturn, (though in leſs
degrees) therefore we may with good rea-
ſon conceive them to be in the Heavens, after
ſome ſuch manner as they are here ſet down
in the Figure, by the Circles F G.
As for the Moon; becauſe ſhe is ſome-
times in oppoſition to the Sun;
therefore muſt
her Orb comprehend in it the Earth;
be-
cauſe ſhe appears dark in her Conjunction,
and ſometimes eclipſes the Sun, therefore
that muſt neceſſarily be without her Orb, as
it is in that Epicycle at H.
In the Centre of
which, the Earth muſt neceſſarily be ſcitua-
ted according to all thoſe appearances men-
tioned before.
So that the Orb of its an-
nual Motion, will be repreſented by the
Circle D.
All which appearances, cannot ſo well be
reconciled by Ptolomy, Tycho, Origanus, or
by any other Hypotheſis, as by this of Co-
pernicus.
But the application of theſe to
the ſeveral Planets, together with ſun-
dry other particulars, concerning the Theo-

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