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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8876That the Moon may be a World. 1[Figure 1]
Suppoſe this Earth was A, which was to
move in the Circle C.
D. and let the Bullet
be ſuppos'd at B.
within its proper Verge; I
ſay, whether this Earth did ſtand ſtill or move
ſwiftly towards D.
yet the Bullet would ſtill
keep at the ſame diſtance by reaſon of that mag-
netick Vertue of the Centre (if I may ſo ſpeak)
whereby all things within its Sphere are attra-
cted with it.
So that the Violence to the bul-
let, being nothing elſe but that whereby ’tis
remov’d from its Centre, therefore an equal
violence can carry a Body from its proper place,
but at an equal diſtance, whether or no this
Earth where its Centre is, does ſtand ſtill or
The Impartial Reader may find ſufficient ſa-
tisfaction for this, and ſuch other Arguments
as may be urg'd againſt the Motion of

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