The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 413
Fig. 448. It is now a generally received theory that nebute are thematerial out of which stars are formed. According to this 386 ASTRONOMY. theory, tae stars originally existed as nebulae, and all nebulsewill ultimately become condensed into stars. … Fig- 449- 383. Other Spiral Nebula. — Fig. 447 represents a spiral ASTRONOMY. 3«7 nebula of the Great Bea?: This nebula seems to have sev-eral centres of condensation. Fig. 448 is a view of a spiral
Astronomy
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