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Guess I'll have to stop complaining now that no one has quantified how much better MOND is than dark matter. Well done! phys.org/news/2022-07-d via

@physorg_com

phys.org

Dark matter: Our review suggests it's time to ditch it in favor of a new theory of gravity

We can model the motions of planets in the Solar System quite accurately using Newton's laws of physics. But in the early 1970s, scientists noticed that this didn't work for disk galaxies—stars at...

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This is quite misleading because they compare ΛCDM with MOND + sterile neutrino to account for lensing and CMB power spectrum etc.

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Of course, as I have said for years the explanation with the highest explanatory power is a combination of MOND and something that acts like dark matter. My student has dubbed those "hybrid models".

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So when you said ‚how much better MOND is than DM‘ you really meant how much better MOND+DM is than DM‘?

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I have explained this here (short version)

youtube.com

Dark Matter: The Situation has Changed

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3:36 PM · Jul 10, 2022

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