The Study of Stellar Evolution, Vol. 10: An Account of Some Recent Methods of Astrophysical Research (Classic Reprint) - Softcover

Hale, George Ellery

9781330102541: The Study of Stellar Evolution, Vol. 10: An Account of Some Recent Methods of Astrophysical Research (Classic Reprint)

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ISBN 10: 1330102541 ISBN 13: 9781330102541

Verlag: Forgotten Books, 2018

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Rese�a del editor

Excerpt from The Study of Stellar Evolution, Vol. 10: An Account of Some Recent Methods of Astrophysical Research

I wish to express my thanks to Sir William Huggins; to Messrs. Adams, Ellerman, Olmsted, and'ritchey of the Mount Wilson Solar Observatory; to Professors Barnard, Burnham, and Frost Of the Yerkes Observatory; to Professor Campbell Of the Lick Observatory; to Professor Pickering of Harvard College Observatory; to Mr. Abbot Of the Smith sonian Astrophysical Observatory; to Professor Lord Of the Emerson mcmillin Observatory; and to Professor Ames, Mr. Jewell Of Johns Hopkins University, for photographs which appear in the plates. I am also indebted to the Astrophysical Journal and the Publications of the Yerkes Observatory for many cuts, and to Messrs. Ticknor co. For permission to reproduce Langley's drawing Of a typical sun-spot. I am under special Obligations to my colleague, Mr. Ellerman, to whom are due most of the photographs Of instruments, buildings, and landscapes which appear in the plates, besides many of the solar and'stellar photographs taken from our joint papers in the Astrophysical Journal and elsewhere.

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Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Rese�a del editor

Excerpt from The Study of Stellar Evolution, Vol. 10: An Account of Some Recent Methods of Astrophysical Research

As first planned, this book was intended to serve as a handbook to the Yerkes Observatory. Many inquiries regarding the observatory's work, made by the numerous visitors received there annually, seemed to call for a printed explanation of the purposes in view and the observational methods employed. Removal to California and new duties connected with the organization of the Mount Wilson Solar Observatory caused a modification of the project. I finally adopted the plan of describing a connected series of investigations, laying special stress on the observational methods employed, in the hope of explaining clearly how the problem of stellar evolution is studied. The advantage of using concrete illustrations drawn, in large part, from personal experience, and the desire that the book should be of special service to visitors at the Yerkes and Mount Wilson Observatories, are sufficient reasons, I trust, for the otherwise undue proportion of space devoted to these institutions.

The omission of such important subjects as the theories of temporary and variable stars: Sir George Darwin's discussions of evolution as affected by tidal friction; Vogel's and Pickering's photometric and spectroscopic studies, and the researches of the latter on the distribution of stars of various types; Campbell's investigations of stellar spectra, and, to mention no other work, his development of the spectro-graphic method of determining radial velocities, sufficiently indicate that I have made no attempt to deal with the general problem of stellar evolution, or to offer anything approaching an adequate description of the observational methods of astrophysics.

About the Publisher

Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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