Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 134
Comet.—To the naked eye a great comet lookslike a bright star with a long, glowing tail. In the long ago acomet was called a hairy star, for the early Greeks pictured thetail of a comet as being made of long hair and so from theirlanguage we get the word comet, which means hair. OTHER THINGS IN THE… … • NUCLEUS Fig. 128.—Comet Showing Nucleus, Coma and Tail. tached (3) a luminous tail, all of which is shown in Fig. 128.The nucleus of a comet is formed of a bunch of stones andpieces of iron, all widely separated and which are held togetherby attraction as they speed through space. As a comet…
Astronomy · Stars
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