Page:Popular Science Monthly Volume 92.djvu/251

 Canopus — Mightiest of Suns

���Chiefly of incandescent hydrogen, and probably gaseous to the core, the immensity of Canopus, a first magnitude star in the southern hemisphere, is here shown as it would appear, in the sky were it situated even twice the sun's distance from us. Were it ever to come much nearer the earth, we would be scorched by a terrible heat that would kill everything

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