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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336156That the Earth may be a Planet. ted for ſhifts, and without any probable
But now, this appearance of the Comets
may eaſily be reſolved, if we ſuppoſe the
Earth to move.
For then, though they did
ſtill remain in their wonted places;
yet this,
by its Diurnal Revolution, ſucceſſively with-
drawing it ſelf from them, they will appear
to riſe and ſet.
And therefore, according
to this common natural Experiment, it is
more probable that the Earth ſhould move,
than the Heavens.
Another Argument urged by ſome, to
prove that this Globe of Earth is eaſily
movable, is taken from the Opinion of thoſe
who affirm, that the acceſs of any Weight
unto a new place, as ſuppoſe an Army, does
11Vid. Vaſq.
l. 1. diſp. 2.
eap. 816.
make the Earth poiſe it ſelf afreſh, and
change the Centre of Gravity that it had be-
but this is not generally granted, and
therefore not to be inſiſted on as a common
To this purpoſe likewiſe is that Inference
of Lansbergius, who from Archimedes his
ſaying, that he could move the Earth, if he
knew where to ſtand and faſten his Inſtru-
concludes, that the Earth is eaſily
whereas it was the intent of Ar-
chimedes, in that Speech, to ſhew the infi-
nite power of Engines;
there being no
Weight ſo great, but that an Inſtrument
might be invented to move it.
Before we finiſh this Chapter, ’tis requi-
ſite that we enquire what kind of

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