The Rotation Period of the Sun: As Determined from the Motions of the Calcium Flocculi (Classic Reprint) - Couverture souple

Hale, George E.

9781332749263: The Rotation Period of the Sun: As Determined from the Motions of the Calcium Flocculi (Classic Reprint)

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ISBN 10 : 1332749267 ISBN 13 : 9781332749263

Editeur : Forgotten Books, 2018

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Excerpt from The Rotation Period of the Sun: As Determined From the Motions of the Calcium Floci

For a more complete description of this spectroheliograph, in its original form. See Astronomy and astra-physics, _may, 1892, p. 407. See Young, Amer. Four. Sec, November, 1880.

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�diteur: Forgotten Books
Date d'�dition: 2018
Langue: anglais
ISBN 10: 1332749267
ISBN 13: 9781332749263
Reliure: Broch�
Nombre de pages: 70
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The Rotation Period of the Sun (Classic Reprint)

George E. Hale, Philip Fox

Edit� par Forgotten Books, 2018

ISBN 10 : 1332749267 ISBN 13 : 9781332749263

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Paperback. Etat : New. Print on Demand. This book examines the rotation period of the Sun using measurements from the motions of the Sun�s calcium flocculi. The author begins by explaining the history of the three methods used to study the Sun�s rotation period: first, measuring the motion of the spots in longitude; second, measuring the motion of the faculae in longitude; and third, the method used in this book, measuring the motion in line of sight of the approaching and receding limbs. The main, central portion of this book focuses on the author�s groundbreaking method of studying the rotation period of the Sun, which analyzes the motions of the calcium flocculi. After gathering data showing the movement of calcium flocculi over time, the author painstakingly analyzed the data, taking into account sources of error and using graphical methods. The book then compares the author's findings, yielding a rotation period for different latitudes, with previous research on sunspot motions, faculae motions, and the reversing layer. These three phenomena all exhibit an equatorial acceleration, a finding supported by the author�s research with calcium flocculi. The author concludes that the Sun�s rotation period, as measured by the motions of different phenomena, varies with latitude. 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 9781332749263_0

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