The Evolution of Radio Astronomy, by J.S. Hey PDF Download
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Author: Benjamin K. Malphrus Publisher: Krieger Publishing Company ISBN: Category : Nature Languages : en Pages : 224
Book Description
In making the invisible universe visible, radio telescopes allow astronomers to see through our local universe of nearby stars to view a distant universe. Radio astronomy has provided tremendous insights into the composition, physical characteristics, and evolution of objects in the universe and revealed completely new, unanticipated phenomena. The National Radio Astronomy Observatory (NRAO) has greatly contributed to this scientific revolution. The book traces the story of radio astronomy from its accidental beginnings in the 1930s to the present, describes the development of NRAO instrumentation, and focuses on the considerable contributions made by the scientists using the NRAO instruments. This unique insight into the evolution of a truly modern science is written in a style that anyone with an interest in astronomy can understand and enjoy, and also provides technical information that professionals in astronomy, computer science, and electrical engineering will find useful.
Author: Kenneth I. Kellermann Publisher: Springer Nature ISBN: 3030323455 Category : Astronomy Languages : en Pages : 652
Book Description
This open access book on the history of the National Radio Astronomy Observatory covers the scientific discoveries and technical innovations of late 20th century radio astronomy with particular attention to the people and institutions involved. The authors have made extensive use of the NRAO Archives, which contain an unparalleled collection of documents pertaining to the history of radio astronomy, including the institutional records of NRAO as well as the personal papers of many of the pioneers of U.S. radio astronomy. Technical details and extensive citations to original sources are given in notes for the more technical readers, but are not required for an understanding of the body of the book. This book is intended for an audience ranging from interested lay readers to professional researchers studying the scientific, technical, political, and cultural development of a new science, and how it changed the course of 20th century astronomy.
Author: W.T. Sullivan Publisher: Springer ISBN: 9789400977532 Category : Science Languages : en Pages : 350
Book Description
Radio techniques were the nrst to lead astronomy away from the quiescent and limited Universe revealed by traditional observations at optical wave lengths. In the earliest days of radio astronomy, a handful of radio physicists and engineers made one startling discovery after another as they opened up the radio sky. With this collection of classic papers and the extensive intro ductory material, the reader can experience these exciting discoveries, as well as understand the developing techniques and follow the motivations which prompted the various lines of inquiry. For instance he or she will follow in detail the several attempts to detect radio waves from the sun at the turn of the century; the unravelling by Jansky of a "steady hiss type static"; the incredible story of Reber who built a 9 meter dish in his backyard in 1937 and then mapped the Milky Way; the vital discoveries by Hey and colleagues of radio bursts from the Sun and of a discrete source in the constellation of Cygnus; the development of receivers and interferometry in the post-war years by the groups led by Ryle in Cambridge and Pawsey in Sydney; the nrst measurements and exciting identiftcations of Taurus A (the Crab Nebula), Centaurus A, Virgo A, Cassiopeia A, and Cygnus A, the last opening the neld of radio cosmology; the early development of synchroton theory; and the prediction and discovery seven years later of the 21 cm line of neutral hy drogen.