The Dark Side of Astrophysics (Scientists Say Dark Matter Doesn’t Exist) | S0 News Sept.14.2017

Posted by on September 14, 2017 in Earth & Space, Sci-Tech, Science with 0 Comments
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Scientists think there is a good reason dark matter, a mysterious substance thought to make up the bulk of matter in the universe, has never been directly detected: It doesn’t exist.

A new study—by a group at the University of Canterbury in Christchurch, New Zealand—finds the fit of Type Ia supernovae to a model universe with no dark energy to be very slightly better than the fit to the standard dark energy model.


Dark energy is usually assumed to form roughly 70% of the present material content of the Universe. However, this mysterious quantity is essentially a place-holder for unknown physics.

Current models of the Universe require this dark energy term to explain the observed acceleration in the rate at which the Universe is expanding. Scientists base this conclusion on measurements of the distances to supernova explosions in distant galaxies, which appear to be farther away than they should be if the Universe’s expansion were not accelerating.

 

For more, see: New supernova analysis reframes dark energy debate

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