Dark Matter and Dark Energy is popular PDF and ePub book, written by Brian Clegg in 2019-08-08, it is a fantastic choice for those who relish reading online the Science genre. Let's immerse ourselves in this engaging Science book by exploring the summary and details provided below. Remember, Dark Matter and Dark Energy can be Read Online from any device for your convenience.
Dark Matter and Dark Energy Book PDF 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.
Detail Book of Dark Matter and Dark Energy PDF
- Author : Brian Clegg
- Release : 08 August 2019
- Publisher : Icon Books
- ISBN : 9781785785696
- Genre : Science
- Total Page : 121 pages
- Language : English
- PDF File Size : 21,5 Mb
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