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Dark Matter and Dark Energy: The Hidden 95% of the Universe. Brian Clegg

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ISBN: 9781785785696 | 176 pages | 5 Mb

• Dark Matter and Dark Energy: The Hidden 95% of the Universe
• Brian Clegg
• Page: 176
• Format: pdf, ePub, fb2, mobi
• ISBN: 9781785785696
• Publisher: Icon Books, Ltd. UK

Download ebooks google Dark Matter and Dark Energy: The Hidden 95% of the Universe 9781785785696 (English literature) by Brian Clegg

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.

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Nearly 95% of the universe is made of invisible stuff that scientists cannot Scientists call this incredibly massive and invisible stuff dark matter and dark energy. about what hidden clues the universe's governing principles might reveal. Buy Dark Matter and Dark Energy by Brian Clegg With Free Delivery
All the matter and light we can see in the universe makes up a trivial 5 per cent of everything. Dark Matter and Dark Energy: The Hidden 95% of the Universe. How close are we to finding dark matter? - BBC News
Dark matter makes up about a quarter of the cosmos, but we still to hear that we still don't know what 95% of the Universe is made of. is dark energy, 27% is dark matter, and just 5% the kind of matter we know well . Fourteen crew died in the fire on board the top-secret nuclear-powered military craft.

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