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vibes-based astrophysics
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
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This is a science community. We use the Dawkins definition of meme.
MOND isn't even a great way to explain rotation curves. It's pretty easy to make a pretty close model for the majority of galaxies, but there are a lot of weird outliers where it's pretty easy to say they just have more or less dark matter than usual, but MOND has a really hard time explaining them without making it so that physics works differently in different galaxies.
I must admit I don't know that much about MOND being tested. But yeah, from a Lambda CDM point of view it is unsurprising that MOND would not work well for every galaxy.