Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 136
toward the Sun, it will growlarger and brighter every night, and you will soon be able OTHER THINGS IN THE SKY 115 to see its tail, which is the real earmark of a really trulycomet. When a comet is nearest us its head may shine far brighterthan any of the planets, and its great tail may be millions… … Fig. 131.—Halleys Comet, from Photo. You should observe the comet often and carefully, for anotherone may not appear for a long time. The nearer a comet gets to the Sun the faster it travels;some comets have been known to move a thousand times asfast as a rifle-ball, and this is the more surprising…
Astronomy · Stars
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