Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 407
s acquired a new interest. Itwas evident that if the Earth described an annual orbit,then the stars would appear in the course of a year to oscil-late back and forth in corresponding orbits, unless theywere so immensely distant that these oscillations were toosmall to be seen. The apparent… … Fig. 200.—The Theory of Parallax. no such oscillation was detected in a fixed star until theyear 1837; and this fact seemed to the astronomers ofGalileos time to present an almost insuperable difficultyin the reception of the Copernican system. As the instru-ments of observation were from time to…
Astronomy
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