Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 175
Fig. 75. Solar Protuberances. Drawn by Trouvelot. Sometimes the protuberances assume arborescent forms, asshown in Fig. 76.8 170 ASTROKOMY. … Fig. 76. In all cases their shapes are indicative of gigantic forces,sometimes acting, normally from below, and sometimessweeping along the surface of the sun, either progressively,or in a revolving direction like a vast cyclone. The Corona. 132. The corona, which has never been seen exceptduring a…
Astronomy
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