Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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while imperceptible, not to ſay ſmall. </
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>This being ſo, I demand
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in relation to what the Starry Sphere of
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Copernicus
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may be
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led over vaſt. </
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>In my judgment it cannot be compared, or ſaid
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to be ſuch, unleſſe it be in relation to ſome other thing of the
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ſame kind; now let us take the very leaſt of the ſame kind,
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which ſhall be the Lunar Orb; and if the Starry Orb may be ſo
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cenſured to be too big in reſpect to that of the Moon, every
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ther magnitude that with like or greater proportion exceedeth
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another of the ſame kind, ought to be adjudged too vaſt, and
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for the ſame reaſon to be denied that they are to be found in the
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World; and thus an Elephant, and a Whale, ſhall without more
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ado be condemned for
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Chymæra's,
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and Poetical fictions,
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cauſe that the one as being too vaſt in relation to an Ant, which
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is a Terreſtrial animal, and the other in reſpect to the ^{*}Gudgeon,
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which is a Fiſh, and are certainly ſeen to be
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in rerum natura,
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would be too immeaſurable; for without all diſpute, the
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phant and Whale exceed the Ant and Gudgeon in a much
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er proportion than the Starry Sphere doth that of the Moon,
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although we ſhould fancy the ſaid Sphere to be as big as the
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pernican
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Syſteme maketh it. </
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>Moreover, how hugely big is the
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Sphere of
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Jupiter,
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or that of
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Saturn,
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defigned for a receptacle
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but for one ſingle ſtar; and that very ſmall in compariſon of one
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of the fixed? </
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>Certainly if we ſhould aſſign to every one of the
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fixed ſtars for its receptacle ſo great a part of the Worlds ſpace,
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it would be neceſſary to make the Orb wherein ſuch innumerable
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multitudes of them reſide, very many thouſands of times
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ger than that which ſerveth the purpoſe of
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Copernicus.
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Beſides,
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do not you call a fixed ſtar very ſmall, I mean even one of the
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moſt apparent, and not one of thoſe which ſhun our ſight; and
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do we not call them ſo in reſpect of the vaſt ſpace circumfuſed?
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<
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>Now if the whole Starry Sphere were one entire lucid body; who
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is there, that doth not know that in an infinite ſpace there might be
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aſſigned a diſtance ſo great, as that the ſaid lucid Sphere might
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from thence ſhew as little, yea leſſe than a fixed ſtar, now
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peareth beheld from the Earth? </
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<
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>From thence therefore we
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ſhould
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then
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judg that ſelf ſame thing to be little, which
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now
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from
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hence we eſteem to be immeaſurably great.</
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Great, ſmall,
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immenſe,
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&c.
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are
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relative terms.
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Vanity of thoſe
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mens diſcour ſewho
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judg the ſtarry
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ſphere too vaſt in
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the
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Copernican
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Hypotheſis.
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*
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Spilloncola,
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which
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is here put for the
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leaſt of Fiſhes.</
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The ſpace
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ſigned to a fixed
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ſtar, is much ieſſe
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than that of a
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net.
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A ſtar is
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led in reſpect of the
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ſpace that environs
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it.
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The whole
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ry ſphere beheld
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from a great
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ſtance might
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pear as ſmall as
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one ſingle ſtar.
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<
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>SAGR. </
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<
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>Great in my judgment, is the folly of thoſe who
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would have had God to have made the World more proportinal
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to the narrow capacities of their reaſon, than to his immenſe,
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rather infinite power.</
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<
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>SIMP. </
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<
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>All this that you ſay is very true; but that upon
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which the adverſary makes a ſcruple, is, to grant that a fixed
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ſtar ſhould be not onely equal to, but ſo much bigger than the
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Sun; when as they both are particular bodies ſituate within the </
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