Winchell, Alexander, 1824-1891 · Chicago, S.C. Griggs and company · leaf 75
the ring complete. In both these cases there is acentral mass more or less luminous, as in H. 854, H. 604and H. 4,447. The nebula. Figure 10, seems likely to Monthly for June, 1873. Newcombs Popular Astronomy also gives views ofThe Great Nebula in Orion, the Annular Nebula in the Lyre, the Omega… … Fig. 11. Annular Nebula in the LtreFrom a Drawing by Prof. Holden. consist of a central masssurrounded by severalrings which may behereafter more distinct-ly discerned. 5. Planetary Nehulm,—These are nebulas withtolerably definite circu-lar outlines, and consisteither of a uniform disc,as defined…
Nebular hypothesis · Cosmogony
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