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Acknowledgements

The authors and publishers acknowledge the following sources of copyright material and are grateful for the permissions granted. While every effort has been made, it has not always been possible to identify the sources of all the material used, or to trace all copyright holders. If any omissions are brought to our notice, we will be happy to include the appropriate acknowledgements on reprinting.
Thanks to the following for permission to reproduce images:
Cover Davespilbrow/GI; Inside Chapter 1 Jon Feingersh/GI; Stocktrek Images/GI; Design Pics/GI; Chapter 2 pippee/GI; fStop Images - Caspar Benson/GI; wragg/GI; Max Mumby/Indigo/GI; RossHelen/GI; Kevin Jones/EyeEm/GI; Chapter 3 Andriy Onufriyenko/GI; Chapter 4 imaginima/GI; drbueller/GI; Stocktrek/GI; Chapter 5 Adrienne Bresnahan/GI; Chapter 6 Design Cells/GI; DEA PICTURE LIBRARY/GI; Choumoff/GI; Chapter 7 Cultura RF/Joseph Giacomin/GI; EUROPEAN SPACE AGENCY,THE PLANCK COLLABORATION/SCIENCE PHOTO LIBRARY; Leighton Lum/500px/GI; Chapter 8 CHRISTOPH BURGSTEDT/SCIENCE PHOTO LIBRARY/GI; Chapter 9 AgustÃ­n Faggiano - FotografÃ­a/GI; Chapter 10 ROBERT BROOK/SCIENCE PHOTO LIBRARY/GI; Chapter 11 Fotokot197/GI; RICHARD MEGNA/FUNDAMENTAL/SCIENCE PHOTO LIBRARY; Chapter 12 Ali Kahfi/GI; Chapter 13 Andy_R/GI; Chapter 14 Abstract Aerial Art/GI; ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY (x2); GIPHOTOSTOCK/SCIENCE PHOTO LIBRARY (x2); Nancybelle Gonzaga Villarroya/GI; Chapter 15 Claverie Olivier/EyeEm/GI; Keystone/Hulton Archive/GI; Chapter 16 Elerium/GI; chapter 17 dottedhippo/GI; Heritage Images/GI; Chapter 18 sakkmesterke/GI; Chapter 19 sarayut Thaneerat/GI Chapter 20 Javier Zayas Photography/GI; Ronda Churchill/Bloomberg/GI; Chapter 21 Guido Mieth/GI; Print Collector/GI; Bettmann/GI; Chapter 22 Yuichiro Chino/GI; Chapter 23 ratpack223/GI; AMERICAN PHILOSOPHICAL SOCIETY/SCIENCE PHOTO LIBRARY; Chapter 24 pixelparticle/GI; CORBIS/Corbis via GI; Hulton Archive/GI; figure 24.4 sources unconfirmed; SCIENCE SOURCE/SCIENCE PHOTO LIBRARY; Chapter 25 MARK GARLICK/SCIENCE PHOTO LIBRARY; Stocktrek Images, Inc./Alamy Stock Photo; H. E. BOND/E. NELAN/M. BARSTOW/M. BURLEIGH/J. B. HOLBERG/NASA/ESA/STSCI/SCIENCE PHOTO LIBRARY; CORBIS/Corbis via GI; Handout/GI; NASA/ESA/STSCI/SCIENCE PHOTO LIBRARY; CORBIS/Corbis via GI; Bettmann/GI
Key: GI = Getty Images