Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 430
iH o CHAP. XXVI11.] THE CHEMISTRY OF THE STARS, 407 pole, and when the poles are brought together it will bevolatilized, and its vapour rendered luminous. Itsspectrum on the screen will be seen to consist of fourlines only, the yellow line being far more brilliant thanthe rest. Sodium was selected… … Fig. 182.—Coloured Flame of Salts in the flame of a Bimsen.s Burner. images of the slit in different colours is seen ; if weare well acquainted with the spectrum of any metal,and see it with the spectroscope, it is easy to at oncerecognise it. Fig. 181 shows at one glance the spectra(1) of iron,…
Astronomy · Telescopes
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