Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 177
Fig. 78. Coi-ona as seen in The peculiar form of the corona as seen during theeclipse of 1878 by a party of astronomers in Texas isshown in Fig. 79. … Fig. 79. Corona as seen in 1878 in Texas. THE STO AND PLANETS. 173 But little is known about the physical constitution of thecorona; it has even been suggested that it is an opticalphenomenon, and some weight has been given to this sug-gestion by the observations recently made at the…
Astronomy
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