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9781785785504

Dark Matter and Dark Energy The Hidden 95% of the Universe

by
  • ISBN13:

    9781785785504

  • ISBN10:

    1785785508

  • Format: Paperback
  • Copyright: 2019-08-08
  • Publisher: Icon Books

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Summary

'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 Four's The Sky at Night, Best astronomy and space books of 2019: 5/5

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 Biography

Brian Clegg is the editor of popularscience.co.uk and
the author of many books, including most recently Professor Maxwell's
Duplicitous Demon
(Icon), Conundrum (Icon) and Are Numbers Real? (St
Martin's Press). His Dice World and A Brief History of Infinity were
both longlisted for the Royal Society Prize for Science Books. Brian has
written for numerous publications including The Times, the Observer,
the Wall StreetJournal, BBC Focus and Nature.

Supplemental Materials

What is included with this book?

The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.

The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.

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