The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 414
Fig, 4SO. nebula in Cepheus, and Fig. 449 of a singular spiral nebulain the Triangle. This also appears to have several points … __ Figs. 450 and 451 represent oval and elliptical nebute having a spiral structure. of condensation. 388 ASTRONOMY.
Astronomy
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