Researches on Astronomical Spectrum-Photography (Classic Reprint) - Couverture souple

Name: Researches on Astronomical Spectrum-Photography (Classic Reprint)
Author: Henry Draper
ISBN: 9780282625863

Henry Draper

9780282625863: Researches on Astronomical Spectrum-Photography (Classic Reprint)

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ISBN 10 : 0282625860 ISBN 13 : 9780282625863

Editeur : Forgotten Books, 2018

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�diteur: Forgotten Books
Date d'�dition: 2018
Langue: anglais
ISBN 10: 0282625860
ISBN 13: 9780282625863
Reliure: Broch�
Nombre de pages: 50
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Researches on Astronomical Spectrum-Photography (Classic Reprint)

Henry Draper

Edit� par Forgotten Books, 2024

ISBN 10 : 0282625860 ISBN 13 : 9780282625863

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Vendeur : Forgotten Books, London, Royaume-Uni

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Paperback. Etat : New. Print on Demand. This book presents a collection of groundbreaking photographs of planetary and stellar spectra taken by the late Dr. Henry Draper, one of the pioneers of astronomical photography. The author begins by describing the invention of the silvered glass reflector, which made it possible to capture the faint light of celestial bodies. He then goes on to discuss the various experimental setups he used to obtain the photographs, including the use of quartz prisms, direct vision prisms, and diffraction gratings. Finally, he presents the results of his research, which include the identification of several new lines in the spectra of stars and planets. The book also contains a list of the photographic plates in Mrs. Draper's possession, and the results of the measurement of these plates by Professor E. C. Pickering. The author concludes by discussing the significance of Draper's work for our understanding of the composition of stars and planets, and for the development of astrophysics as a whole. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N� de r�f. du vendeur 9780282625863_0

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