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Catalogue Information
Field name	Details
Dewey Class	510.9
Title	Varying Gravity ([EBook]) : Dirac’s Legacy in Cosmology and Geophysics / by Helge Kragh
Author	Kragh, Helge , 1944-
Other name(s)	SpringerLink (Online service)
Edition statement	1st ed. 2016
Publication	Cham : Springer International Publishing , 2016
Physical Details	XI, 185 p. 16 illus., 4 illus. in color. : online resource.
Series	Science Networks. Historical Studies 1421-6329 ; ; 54
ISBN	9783319243795
Summary Note	The main focus of this book is on the interconnection of two unorthodox scientific ideas, the varying-gravity hypothesis and the expanding-earth hypothesis. As such, it provides a fascinating insight into a nearly forgotten chapter in both the history of cosmology and the history of the earth sciences. The hypothesis that the force of gravity decreases over cosmic time was first proposed by Paul Dirac in 1937. In this book the author examines in detail the historical development of Dirac’s hypothesis and its consequences for the structure and history of the earth, the most important of which was that the earth must have been smaller in the past.:
Contents note	Preface -- 1.Introductory Issues -- 2.Varying Gravity -- 3.The Expanding Earth -- 4.After Plate Tectonics -- Bibliography -- Index.
System details note	Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users)
Internet Site	http://dx.doi.org/10.1007/978-3-319-24379-5
Links to Related Works	Subject References: Cosmology . Geophysics . Geophysics and Environmental Physics . History . History of Mathematical Sciences . Mathematics . See Also: Cosmology - Congresses . Authors: Kragh, Helge 1944- . Corporate Authors: SpringerLink (Online service) . Series: Science Networks. Historical Studies . Classification: 510.9 .

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Varying Gravity: Dirac’s Legacy in Cosmology and Geophysics

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