UK Radio Astronomy Association (UKRAA)

Unseen Cosmos - the universe in radio

Unseen Cosmos - the universe in radio
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A new (2013) book on the history and future of radio astronomy by Francis Graham-Smith, Emeritus Professor, Jodrell Bank Observatory, University of Manchester.

  • Introduces and explains radio telescopes and the astronomy behind them
  • Demonstrates the discoveries that have been made through the help of radio telescopes
  • Explores the birth, development, and maturity of radio astronomy
  • Considers the challenges of building radio telescopes, and how they are related to the technology behind mobile phones
  • Looks at what insights the creation of several giant radio telescopes might bring

Radio telescopes have transformed our understanding of the Universe. Pulsars, quasars, Big Bang cosmology: all are discoveries of the new science of radio astronomy. Here, Francis Graham-Smith describes the birth, development, and maturity of radio astronomy, from the first discovery of cosmic radio waves to its present role as a major part of modern astronomy.

Radio is part of the electromagnetic spectrum, covering infra-red, visible light, ultraviolet, X-rays, and gamma-rays, and Graham-Smith explains why it is that radio waves give us a unique view of the Universe. Tracing the development of radio telescopes he shows how each new idea in observing techniques has led to new discoveries, and looks at the ways in which radio waves are generated in the various cosmic sources, relating this to the radio world of mobile phones, radio and television channels, wireless computer connections, and remote car locks.

Today a new generation of radio telescopes promises to extend our understanding of the Universe into further, as yet unknown, fields. Huge new radio telescopes are being built, such as the Atacama Large Millimetre Array (ALMA), Low Frequency Array for Radioastronomy (LOFAR), and the Square Kilometre Array (SKA). Radio telescopes on spacecraft such as the Cosmic Microwave Explorer (COBE) and Planck are tracing in minute detail the faint but universal radio signal from the expanding early Universe.

Graham-Smith shares the excitement of discovering the wonders of the radio universe, and the possibilities promised by the new age of giant radio telescopes.

Price: £ 20.00
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