Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 297
§ 390] THE NATURE OF COMETS. 281 angle with the suns direction. It is well shown in Figs. 93and 94. When the comet is a greater distance from the sun,this central stripe is usually bright, as in Fig. 99. Not infrequently, moreover, comets possess anomalous tails,— usually in addition to the normal…
Astronomy · Constellations
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