Mitton, G. E. (Geraldine Edith) · London, A. and C. Black · leaf 210
owed to throw itslight into the telescope ; the light passed througha prism, and showed a faint band of many colours,with the expected little black lines cutting acrossit more or less thickly. Examinations have thusbeen made of hundreds of stars. In the course ofthem some substances as yet unknown… … THE SPECTRUM OF THE SUN AND RIRll WHAT THE STARS ARE MADE OF 169 on the same principles as our own sun, so that thereasoning of astronomers which had argued themto be suns was proved. We have here in the picture the spectrum ofthe sun and the spectrum of Sirius. You cansee that the lines which…
Astronomy
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