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 411
3^4 ASTRONOMY. Spiral Nebula. 381. The Spiral Nebula in Canes Venatici. — The greaspiral nebula in the constellation Canes Venatici, or the … Fig. 446. Hunting-Dogs, is one of the most remarkable of its class.Fig. 445 shows this nebula as it appeared in HerschePstelescope, and Fig. 446 shows it as it appears in the Par-sonstown reflector. ASTRONOMY. 385 382. Condensation of Nebula.—The appearance of the
Astronomy
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