Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 414
Fig. 449. 383. Other Spiral Nebula. — Fig. 447 represents a spiral ASTRONOMY. 387 nebula of the Great Bear. This nebula seems to have sev-eral centres of condensation. Fig. 448 is a view of a spiral : 1 - -i*^$^*J|- %^ j Fig. 450. nebula in Cepheus, and Fig. 449 of a singular spiral nebulain the… … Fig. 45 of condensation. Figs. 450 and 451 represent oval andelliptical nebulae having a spiral structure. 388 ASTRONOMY.
Astronomy
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