The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 412
Fig. 447. netula just mentioned suggests a body rotating on its axis,and undergoing condensation at the same time. … 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.
Astronomy
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