A new study challenges the current model of the universe by showing that, in fact, it has no room for dark matter.
The current theoretical model for the composition of the universe is that it's made of 'normal matter,' 'dark energy' and 'dark matter.' A new uOttawa study challenges this.
Rajendra Gupta, a physics professor at the Faculty of Science, used a combination of the covarying coupling constants and"tired light" theories to reach this conclusion. This model combines two ideas -- about how the forces of nature decrease over cosmic time and about light losing energy when it travels a long distance.
"There are several papers that question the existence of dark matter, but mine is the first one, to my knowledge, that eliminates its cosmological existence while being consistent with key cosmological observations that we have had time to confirm," says Gupta.
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