Hidden Universe

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For thousands of years man used little but their eyes to observe and record the light from the stars. This changed dramatically 400 years ago when Galileo first turned his telescope towards the heavens, expanding our ability to see and understand the Universe. Yet for the next 350 years, the potential of this magnificent device was limited merely to the tiny sliver of the spectrum visible to human eyes. Only in the last 50 years or so have a series of technological advances given us access to the hidden Universe: the cosmic domains of radio waves, infrared light, ultraviolet light, X-rays... Layer by layer the cosmic onion has been peeled away to reveal a reality stunningly different from what we thought we knew about a merely visible Universe. This book shows the fundamental change in worldview brought on by expanding our perceptions to cover the full spectrum of light. Hidden Universe is lavishly illustrated. The striking images are hand-picked and partly created by the authors themselves. Boxes and illustrations give an easily accessible overview of processes, telescopes and backgrounds that make this book not only an interesting but an enjoyable and fun read.