instruments, detectors, and techniques employed in astronomy and astrophysics. Emphasizing the underlying unity of all astronomical observations, this popular text provides a coherent state-of-the-art account of the instruments and techniques used in current astronomy and astrophysics. As in earlier editions, the author aims to reduce the trend towards fragmentation of astronomical studies. The underlying unity of all of astronomical observation is emphasized by the layout of the book: the pattern of detection - imaging - ancillary techniques has been adopted so that one stage of an observation is encountered together with the similar stages required for all other informative carriers. The book is written in a very accessible manner, and most of the mathematics is accessible to those who have attended a mathematics course in their final years at school. Nevertheless, the treatment of the topics in general is at a sufficiently high level to be of use to those professionals seeking technical information in areas of astronomy with which they might not be completely familiar. Features: Details the instrumentation and theory of astronommical observations, including radio waves, gamma rays, cosmic rays, neutrinos, and more Presents the background theory and operating practice of state-of-the-art detectors and instruments, in addition to tracing the history of the optical telescope Identifies developments that may lead to new types of detectors in the future

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