- Éditeur: Harvard Education Press
- ISBN: 0-674-00288-1
- Pages: 241
- Publié: 15/11/2000
- Note: 4,1/5 | 65 votes sur Amazon.fr
COSMIC RAYS – even the name conjures up a vision of mystery otherworldly. Enigmatic for many years, they are now known to be not rays at all, but particles, the nuclei of atoms, continually raining down on the Earth, where they can be detected throughout the at sphere and sometimes even thousands of feet Underground. This book tells the long-running detective story behind the discovery and study of cosmic rays, a story that stretches from the early days of subatomic particle physics in the 1890s to the frontiers of high-energy astro-physics today. Writing for the amateur scientist and the educated general reader, Michael W Friedlander, cosmic ray researcher, relates the history of cosmic ray science from its inception to its present statut. He explains how cosmic rays are identified and their energies measured, then surveys our current knowledge and theories about this thin cosmic rain. The most thorough, up-to-date, and readable account of these phenomena intriguing, his book makes us party to the search into the nature, behavior, and origins of cosmic rays-and into the sources of their enormous energy, sometimes hundreds of millions times greater than the energy achievable in the most powerful earthbound particle accelerators. This search unexpectedly led to the discovery of new particles such as the pion muon, kaon, and hyperon, and it revealed scenes of awesome violence in the cosmos and offered clues about black holes, supernovas, neutron Stars, quasars, and neutrinos, clearly showing why cosmic rays remain central to an diverse range of research studies on scales infinitesimally small and large. Attractively illustrated, engagingly written, this book is a fascinating inside look at a science at the center of our understanding of our universe.
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