Lowell, Percival, 1855-1916 · New York, The Macmillan company · leaf 32
was foundat Harvard College Observatory to be like that of Rigel,a continuous one crossed by some thirty faint dark lines. BIRTH OF A SOLAR SYSTEM 13 On the 24th, however, so soon as tt began to wane, thebright lines of hydrogen were conspicuous with theirdark correlatives, just as they had been… … liii \\i i\ \\<. Nf H^ I \ -- ynoL - their only cause and indicating change of pressure ordensity as concerned concomitants of the affair. Blueemissions like those of Wolf-Rayet stars next made theirappearance; then a band, found by Wright at the Lickto characterize nebulae, shone out, and…
Cosmogony
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