Lessons in astronomy including uranography. A brief intoductory course without mathematics (1896)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston, London, Ginn and company · leaf 297
form,sending out sprays andstreams in all directions,and containing dark openings and lanes. Some of themare of enormous volume. The great nebula of Orion (whichincludes within its boundary the multiple star, Theta Ononis)covers several square degrees, and photographs show thatnearly the whole… … Fig. 79. —Telescopic View of the Great Nebulain Andromeda. 377] ANNULAR NEBULA IN LYRA. 285 The smaller nebulae are, for the most part, more or lessnearly oval, and brighter in the centre. In the so-called nebulous stars, the cen-tral nucleus is like a starshining through a fog.The planetary…
Astronomy
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