
Dark Energy, Dark Matter and Anti-Gravity
Hidden in Plain Sight (Hot Science)
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Narrated by:
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Virtual Voice
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By:
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Balungi Francis

This title uses virtual voice narration
Virtual voice is computer-generated narration for audiobooks.
About this listen
The expansion of the universe has not been slowing due to gravity, as everyone thought, it has been accelerating.
Maybe it was a result of a long-discarded version of Einstein's theory of gravity, one that contained what was called a "cosmological constant." Maybe there was some strange kind of energy-fluid that filled space. Maybe there is something wrong with Einstein's theory of gravity and a new theory could include some kind of field that creates this cosmic acceleration.
It turns out that roughly 68% of the universe is dark energy. Dark matter makes up about 27%. The rest - everything on Earth, everything ever observed with all of our instruments, all normal matter - adds up to less than 5% of the universe. Come to think of it, maybe it shouldn't be called "normal" matter at all, since it is such a small fraction of the universe.
Balungi Francis explains this major conundrum in modern science and looks at how scientists are beginning to find solutions to it. bit.ly/thenexteinstein or bit.ly/findyogeniusnow
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