Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt · leaf 488
ulis,etc. These spectra are much contracted toward the violet end, andare crossed by eight or more dark bands, these bands being them-selves resolvable into separate lines. These three types comprise nearly all the lucid stars, and it isnot a little remarkable that the essential differences between… … 470 ASTRONOMY. Type IV comprises the red stars, which are mostly telescopic.The characteristic spectrum is shown in the last figure of the plate.It is curiously banded with three bright spaces separated bydarker ones. It is probable that the hotter a star is the more simple a spectrumit has ; for…
Astronomy
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