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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303123That the Earth may be a Planet. has been found, (ſay thoſe that have been
verſed in theſe kind of Experiments) that
the ſame force will caſt a Body but an equal
diſtance, whether or no the Body do move
with, or againſt the motion of the Ship.
As alſo, that any Weight being let fall, will
deſcend in as true a perpendicular, as if
the Ship did ſtand ſtill.
If a Man, leaping
up, do tarry in the Air one ſecond ſcruple
of an hour, yet the Ship will not, in its
greateſt ſwiftneſs (as it ſhould according to
the calculation of our Adverſaries) be car-
ried from him at leaſt fifteen foot.
If we
ſuppoſe a Man to jump in ſuch a Ship, he
will not be able to paſs farther, when he
jumps againſt the motion of it, than when
he jumps with it.
All which Particulars
may argue, that theſe things are carried a-
long together, by the common motion of
the Ship.
Now if Bodies may be thus joint-
ly moved by ſuch a preternatural motion,
much more then will they accompany the
Earth in its Diurnal Revolution, which
we ſuppoſe to be natural unto them, and
as a Law impoſed by God in their firſt Crea-
If the Flame of a Candle, or the Smoke
that comes from it, (things that are ſo ea-
ſily moveable) are, notwithſtanding, carried
ſo equally, and without and diſturbance, by
the motion of a Ship;
then alſo the Clouds
in the Air, and all other light Bodies, may
well enough be turned about by the Revolu-
tion of our Earth.

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