EAN: 9783319285085

Bilder-Quelle: discount24.de - Sport-Freizeit

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.

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29.09.2025 um 10:46 Uhr

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