Lowell, Percival, 1855-1916 · New York, The Macmillan company · leaf 38
less than that of light, thoughgreatly exceeding any possible from the direct disrup-tion. At the same time both the bright and the darklines of hydrogen seen in the spectrum stand accountedfor; the colliding molecules, at their starting on theirtravels from the star, shining through their… … Great Nebula in Orion — after Ritchey. cently discovered and of most pregnant import,—thespiral nebulae. In 1843 when Lord Rosses giant speculum, six feet i8 THE EVOLUTION OF WORLDS across, was turned upon the sky, a nebula was broughtto Hght which was unHke any ever before seen. It was
Cosmogony
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