Overview

The mysterious phenomena that could unlock the secrets of the universe. All the matter and light we can see in the universe makes up a trivial 5 per cent of everything. The rest is hidden. This could be the biggest puzzle that science has ever faced. Since the 1970s, astronomers have been aware that galaxies have far too little matter in them to account for the way they spin around: they should fly apart, but something concealed holds them together. That 'something' is dark matter – invisible material in five times the quantity of the familiar stuff of stars and planets. By the 1990s we also knew that the expansion of the universe was accelerating. Something, named dark energy, is pushing it to expand faster and faster. Across the universe, this requires enough energy that the equivalent mass would be nearly fourteen times greater than all the visible material in existence. Brian Clegg explains this major conundrum in modern science and looks at how scientists are beginning to find solutions to it. AUTHOR: Brian Clegg's most recent books are The Reality Frame (Icon, 2017), What Colour is the Sun? (Icon, 2016) and Ten Billion Tomorrows (St Martin's Press, 2016). His Dice World and A Brief History of Infinity were both longlisted for the Royal Society Prize for Science Books. He has also written Big Data for the Hot Science series. Brian has written for numerous publications including The Wall Street Journal, Nature, BBC Focus, Physics World, The Times and The Observer. Brian is editor of popularscience.co.uk and blogs at brianclegg.blogspot.com.

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9781785785504

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Clear and compact ... It's hard to fault as a brief, easily digestible introduction to some of the biggest questions in the Universe -- Giles Sparrow, BBC Sky at Night * Best astronomy and space books of 2019: 5/5 *

'Clear and compact ... It's hard to fault as a brief, easily digestible introduction to some of the biggest questions in the Universe' -- Giles Sparrow, BBC Sky at Night * Best astronomy and space books of 2019: 5/5 *

Author Information

Brian Clegg is a science writer whose many books include Dice World and A Brief History of Infinity, both of which were longlisted for the Royal Society Prize for Science Books. He has written for numerous publications including The Wall Street Journal, Nature, BBC Focus, The Times and The Observer.

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