Beyond the Milky Way

Beyond the Milky Way

Beyond the Milky Way

Beyond the Milky Way

Excerpt

With the exception of the first chapter, for which material was gathered chiefly in Egypt and England, the contents of this book relate to the recent work of the Mount Wilson Observatory. The three chapters have recently appeared as articles in Scribner's Magazine, in continuation of the series already represented in book form by "The New Heavens" and "The Depths of the Universe."

I owe my thanks for most of the illustrations to the Mount Wilson Observatory and the astronomers whose names appear in the captions, and to Mr. Ferdinand Ellerman, who prepared the material for reproduction. I am indebted to the Royal Society of London, the Yerkes Observatory of the University of Chicago, the Metropolitan Museum of Art, the United States Army Air Service, the Superintendent of Government Printing, Calcutta, Messrs. Ginn & Co., the Librairie Hachette, Messrs. Macmillan & Co., the Oxford University Press, and to others cited in the captions or the text, for the use of illustrations. I also wish to express my appreciation of assistance of various kinds received from Dr. Walter S. Adams, Dr. James H. Breasted, Professor H. F. Newall, Dr. Robert A. Millikan, Professor Frederick H. Seares, Dr. Charles G. Abbot, Dr. J. A. B. Scherer, Dr. Henry Norris Russell, Dr. Edwin Hubble, Dr. Seth B. Nicholson, Dr. Edison Pettit, and the late Dr. Nichols's associate, Dr. Tear.

G. E. H.

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