Star-land : being talks with young people about the wonders of the heavens (1891)
Ball, Robert S. (Robert Stawell), Sir, 1840-1913 · London ; Paris : Cassell & Co. · leaf 58
ch happen curiously enoughto be nearly opposite to each other, two colossal flames haveburst forth. They extend to a vast distance, which is aboutone-third of the width of the sun. The vigour of theseoutbreaks may be estimated by the flickering which they ex-hibit; only, considering their size, we… … Fig. 19.—Solar Prominences. (Drawn by Trouvelot.) quarter of an hour it had broken up into fragments, someof which were still to be seen floating in the suns atmo-sphere. In ten minutes more the light of this flame hadalmost entirely vanished. Surely these are changes of 44 Star-Land. extraordinary…
Astronomy
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