Surveying the Skies: How Astronomers Map the Universe

Surveying the Skies: How Astronomers Map the Universe
Springer | Astronomy | Apr 26 2016 | ISBN-10: 3319285084 | 195 pages | pdf | 14.07 mb

Authors: Wynn-Williams, Gareth
Understand the technology breakthroughs that led directly to major discoveries
Discover how the sky would look if you had infrared or X-ray sensitive eyes!

Since the time of Galileo, astronomy has been driven by technological innovation. With each major advance has come the opportunity and enthusiasm to survey the sky in a way that was not possible before. It is these surveys of discovery that are the subject of this book.
In the first few chapters the author discusses what astronomers learned from visible-light surveys, first with the naked eye, then using telescopes in the seventeenth century, and photography in the nineteenth century. He then moves to the second half of the twentieth century when the skies started to be swept by radio, infrared, ultraviolet, x-ray and gamma ray telescopes, many of which had to be flown in satellites above the Earth's atmosphere. These surveys led to the discovery of pulsars, quasars, molecular clouds, protostars, bursters, and black holes.

He then returns to Earth to describe several currently active large-scale projects that methodically collect images, photometry and spectra that are then stored in vast publicly-accessible databases. Dr. Wynn-Williams also describes several recent "microsurveys" - detailed studies of small patches of sky that have led to major advances in our understanding of cosmology and exoplanets.

Number of Illustrations and Tables
40 b/w illustrations, 89 illustrations in colour
Astronomy, Observations and Techniques
Popular Science in Astronomy
History of Science

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