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 301
, thecoma, and the tail The nucleus is thebright centre of thecomet, and appearsto the eye as astar or planet. The coma is anebulous mass sur-rounding the nu-cleus on all sides..Close to the nucleusit is almost as brightas the nucleus it-self; but it graduallyshades off in every direction. The… … Fig. 305. ASTRONOMY. 275 stream of milky light, growing wider and fainter as itrecedes from the head, till the eye is unable to trace it. The general appearance of one of the smaller of thebrilliant comets is shown in Fig. 305. II Bllte ^ •- ;■•. ■ - _: ;;:.;; . -. t?T * £, -~ f|^M . :;- -ifl Fig.…
Astronomy
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