The gradual acceptance of the Copernican theory of the universeStimson, Dorothy
History
The gradual acceptance of the Copernican theory of the universe
Stimson, Dorothy
Astronomy -- History; Copernicus, Nicolaus, 1473-1543; Solar system
[Footnote 197: Quoted in Salusbury: _Math. Coll._: I, 468-470 (1661),
as a work inaccessible to most readers at that time because of its
extreme rarity. It remained on the Index until the edition of 1835.]
French thinkers, like the English, did not encourage the new doctrine
at this time. Montaigne[198] was characteristically indifferent: "What
shall we reape by it, but only that we neede not care which of the two
it be? And who knoweth whether a hundred yeares hence a third opinion
will arise which happily shall overthrow these two præcedent?" The
famous political theorist, Jean Bodin, (1530-1596), was as thoroughly
opposed to it as DuBartas had been. In the last year of his life,
Bodin wrote his _Universæ Naturæ Theatrum_[199] in which he discussed
the origin and composition of the universe and of the animal,
vegetable, mineral and spiritual kingdoms. These five books (or
divisions) reveal his amazing ideas of geology, physics and astronomy
while at the same time they show a mind thoroughly at home in Hebrew
and Arabian literature as well as in the classics. His answer to the
Copernican doctrine is worth quoting to illustrate the attitude of one
of the keenest thinkers in a brilliant era:
"THEORIST: Since the sun's heat is so intense that we read
it has sometimes burned crops, houses and cities in
Scythia,[200] would it not be more reasonable that the sun
is still and the earth indeed revolves?
"MYSTIC: Such was the old idea of Philolaus, Timæus,
Ecphantes, Seleucus, Aristarchus of Samos, Archimedes and
Eudoxus, which Copernicus has renewed in our time. But it
can easily be refuted by its shallowness although no one has
done it thoroughly.
"THE.: What arguments do they rely on who hold that the
earth is revolved and that the sun forsooth is still?
"MYS.: Because the comprehension of the human mind cannot
grasp the incredible speed of the heavenly spheres and
especially of the tenth sphere which must be ten times
greater than that of the eighth, for in twenty-four hours it
must traverse 469,562,845 miles, so that the earth seems
like a dot in the universe. This is the chief argument.
Besides this, we get rid entirely of epicycles in
representing the motions of the planets and what is taught
concerning the motion of trepidation in the eighth sphere
vanishes. Also, there is no need for the ninth and tenth
spheres. There is one argument which they have omitted but
which seems to me more efficacious than any, viz.: rest is
nobler than movement, and that celestial and divine things
have a stable nature while elemental things have motion,
disturbance and unrest; therefore it seems more probable
that the latter move rather than the former. But while
serious absurdities result from the idea of Eudoxus, far
more serious ones result from that of Copernicus.
"THE.: What are these absurdities?
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