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88’<br />
experience : ITor Some Allronomers have found<br />
the Diameters of the fix’d Stars, in ‘I’elcfcopes<br />
of between 26 and 6~ Feet in length, to be a-<br />
bout 5ti or 6’: or at mofi 8” or IO” in &amter.<br />
But if the Eye-Glafs be tiucted f%iitly<br />
with the fmoke of a, Lamp or Torch, to obT<br />
fcure the Light of the Star, the i:;iintcr Light<br />
in the circumference of the Star ceafes to be<br />
v’ifible, md the Star (if the Gla& be fu%ciellt,<br />
fy foiled with finoke) appears fomcthing more<br />
like a mathematical Point. Aud ‘for the fame<br />
reafon, the enormous part of the Light in the<br />
.circumference of every lucid Point ought to<br />
be lefs difcernible iu shorter Telefcopes than .in<br />
longer3 becaufe the shorter tranfmit Icfs Light<br />
to the Eye.<br />
Now that, the fix’d Stars, by reafon of their<br />
immenfe difiance, appear like Points, unkfs So<br />
far as their Light is dilated by I
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