Full text: Wilkins, John: A discovery of a new world

That the Earth may be a Planet. but that it may be ſo vvith the Earth alſo: which if any deny, he muſt ſhevv a rea-
ſon vvhy in this reſpect they ſhould be
unlike.

Yea, but though the Earth did move
round, vvhat ground is there to affirm, that
thoſe Bodies vvhich are ſevered from it, as
a Bullet, or the Clouds, ſhould follovv it
in the ſame courſe?

I anſvver: Thoſe Spots vvhich are diſco-
vered about the Sun, and are thought to be
Clouds or Evaporations from his Body, are
obſerved to be carried about according to
his Revolution. Thus the Moon is turned
round by our Earth; the four leſſer Planets
by the Body of Jupiter. Nay, thus all the
Planets, in their ſeveral Orbs, are moved a-
bout by the Revolution of the Sun upon
its ovvn Axis (ſaith Keplar) and there-
fore much more may an Arrovv, or Bul-
let, be carried round by the Magnetical Mo-
tion of our Earth.

The ſecond vvay, vvhereby ſome anſvver
unto the Inſtances of this Argument, is,
by ſhewing the like Motions of other
things, within ſome Room of a ſailing Ship. Thus Experience teaches, (ſay they) that
a Candle, as alſo the Fumes that come from
it, will always keep the ſame ſcituation, in
the ſwifteſt motion of a Ship, as if it did
reſt immovably, and the Flame will not
more eſpecially bend one way, or have any
troubled ſluctuation, but burn as ſtreight and
quietly, as if it did ſtand ſtill. Again, it

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