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 304
Fig. 309. foggy light of more or less irregular form. ASTRONOMY. 277 … 286. The Development of Telescopic Comets on theirApproach to the Sun. — As a rule, all comets look nearlyalike when they first come within the reach of the tele-scope. They appear at first as little foggy patches, with-out any tail, and often with-out any visible nucleus. Asthey approach the sun…
Astronomy
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