Astronomy, a handy manual for students and others (1918)
Dyson, Frank Watson, Sir, 1868-1939 · New York, E.P. Dutton & Co. · leaf 128
e opportunities of seeing the imme-diate surroundings of the Sun, which are gener-ally invisible to us owing to the glare produced bythe diffusion of sunlight in the Earths atmosphere.A total solar eclipse discloses two remarkable featuresof the Sun, the prominences and the corona. Theprominences… … Diag. LVIII. —Solar Prominences. important feature of the prominences is that they givea spectrum made up of a number of bright lines, andnot a bright band crossed by dark lines, like the Sun.This was discovered in the eclipse of 1868, and estab-lished the fact that prominences consist of…
Astronomy
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