The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 393
o be noticeableto the unaided eye. 366 ASTRONOMY. 364. Secular Displacement of the Stars. — Though theproper motion of tlie stars is apparently slight, it will, inthe course of many ages, produce a marked change in theconfiguration of the stars. Thus, in Fig. 420, the left-handportion shows the… … Fig. 421. stars as they will appear thirty-six thousand years from thepresent time. Fig. 421 shows in a similar way the present configura-tion and proper motion of the stars of Cassiopeia, andalso these stars as they will appear thirty-six thousand yearshence. Fig. 422 shows the same for the…
Astronomy
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