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§§ 104, 105]
Tycho's System of the World
137
Coppernican system introduced, but was unable to answer two of the serious objections; he regarded any motion of
Fig. 52.—Tycho's system of the world. From his book on the comet of 1577.
"the sluggish and heavy earth" as contrary to "physical principles," and he objected to the great distance of the
