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 Moon may be a World.
But now the true nature of Gravity is this.
A magne-
tical natu-
ral axtra-
So Keplar
Aſtron. N.
Coper. l. 1.
cap. 26.
Foſcarin in
epiſt. ad
’Tis ſuch a reſpective mutual deſire of Union,
whereby condenſed Bodies, when they come
within the Sphere of their own Vigour, do
naturally apply themſelves, one to another by
Attraction or Coition.
But being both with-
out the reach of eithers Virtue, they can ceaſe
to move, and though they have general Apti-
tude, yet they have not any preſent Inclinati-
on or proneneſs to one another.
And ſo con-
ſequently, cannot be ſtiled heavy.

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