Electro astronomical atlas ... with explanatory notes, questions and answers (1874)
Spoor, J. W. (Joseph W.) · Albany, N.Y., Weed, Parsons and Company · leaf 31
Fig. 5. ELECTRO-ASTRONOMICAL ATLAS. 19 The annexed diagram will still further illus-trate the cause of the change of direction of thesolar spots: V-^ ^^ ^=^/ … Fig. 6. Q. How are the spots on the disc accountedfor? A. The atmospheres surrounding the Sun, beingmade up of the bright scintillations of electricity,which radiate from within, become so ex-ceedingly brilliant and luminous, that whenat any time an opening appears in them,and the main body is…
Astronomy
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