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 321
of the two increased in brilliancy until it equalled its companion; it then grew fainter till it entirely disappeared, a month before its companion. The two parts were about two hundred thousand miles apart. Fig. 331 shows these two parts as they appeared on the 19th of February, and Fig. 332 as… … as they appeared at Fig. 330. this time. Sometimes one of the parts appeared the brighter,and sometimes the other; so that it was impossible to decidewhich was really the principal comet. The two portions passed ASTRONOMY. 295 out of view in September, and have not been seen since;although in 1872…
Astronomy
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