Lectures on some recent advances in physical science : with a special lecture on force (1876)
Tait, Peter Guthrie, 1831-1901 · London : MacMillan · leaf 251
226 SPECTRUM ANALYSIS. sist simply of bright lines. Such then is the spectrumof part at least of the gaseous matter which surroundsthe sun, and it is the upper portion of the absorbingmedium which cuts out these black lines from whatwould otherwise be a continuous spectrum, and youeasily trace what… … gas. Well, we find these red flames owe their rednessto the particular colour of this line of hydrogen. Sothis bright red line is one of the main features of theprominences. Then we find a yellow line very nearlycoincident, as you see, with the lines of sodium. No-body as yet knows what is the…
Force and energy · Heat · Matter -- Constitution · Spectrum analysis
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
