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“We need to consider alternatives to dark matter that better explain cosmological observations” (see comments for discussion)

theconversation.com We need to consider alternatives to dark matter that better explain cosmological observations

Cosmology does not need dark matter or dark energy in an expanding universe that allows the constants of nature to evolve, and light loses energy as it travels vast distances.

We need to consider alternatives to dark matter that better explain cosmological observations

edit: title was modified to call attention to the discussion in the comments


The article is by Rajendra Gupta, Adjunct professor Physics @ L’Université d’Ottawa/University of Ottawa

First few lines:

Do constants of nature — the numbers that determine how things behave, like the speed of light — change over time as the universe expands? Does light get a little tired travelling vast cosmic distances? It was believed that dark matter and dark energy explained these cosmological phenomena, but recent research indicates that our universe has been expanding without dark matter or dark energy.

Doing away with dark matter and dark energy resolves the “impossible early galaxy problem,” that arises when trying to account for galaxies that do not adhere to expectations regarding to size and age. Finding an alternative to dark matter and energy that complies with existing cosmological observations, including galaxy distribution, is possible.

“We need to consider alternatives to dark matter that better explain cosmological observations” (see comments for discussion)

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