Lowell, Percival, 1855-1916 · New York, The Macmillan Company · leaf 40
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 18 THE EVOLUTION OF WORLDS across, was turned upon the sky, a nebula was broughtto light which was unlike any ever before seen. It was
Cosmogony
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