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 299
Fig. 80. — The Annular Nebula in Lyra. 286 PHOTOGRAPHS OF NEBUL K. [I count.rv, and at present the photographs are continuallybringing out new and before unsuspected features. Fig. 81, … Fig. 81. —Mr. Robertss Thotograph of the Nebula of Andromeda. for instance, is from a*photograph of the nebula of Androm-eda, taken by Mr. Roberts of Liverpool in 1888, and shows §378] PHOTOGRAPHS OF NEBULJS. 287 that the so-called dark lanes, which hitherto had been seenonly as straight and wholly…
Astronomy
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