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Gravity can exist without mass, dark matter could be myth: Study (interestingengineering.com)

submitted 2 days ago by Espiritdescali to c/futurology

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[–] UraniumBlazer@lemm.ee 11 points 1 day ago (9 children)

Does this explain the bullet cluster? If it doesn't, it's kinda useless.

[–] superkret@feddit.org 23 points 1 day ago (4 children)

the current theory is “not by itself sufficient to discredit the dark matter hypothesis — it could be an interesting mathematical exercise at best, but it is the first proof that gravity can exist without mass,” he added.

(Quote by the author of the study himself)

It's a purely mathematical construct that could explain bending of light without mass.

[–] CheeseNoodle@lemmy.world 3 points 1 day ago

To be fair dark matter is a purely mathematical construct to explain the presence of gravity without (visible) mass. Certainly dark matter has more credibility than this new idea but hypothetical mathematical constructs make up a good chunk of physics.

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