Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 182
n increaseof temperature causes thecolored bands (which arepeculiar to the spectrum ofthe compound) to disappear,and to be replaced by thespectral lines of the ele-ments of which the com-pound is made up. Theheat appears to dissociate Flg- I79< the compound; that is, to resolve it into its… … 164 ASTRONOMY. the spectral lines of the elementary vapors to co-exist in thespectrum with the bands of the compound. It has been found, that, in some cases, the spectra of theelementary gases change with the temperature of the gas; andLockyer thinks he has discovered conclusive evidence, in…
Astronomy
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