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Gravity Grinch
@gravitygrinch.bsky.social

“Is that what happened?” asks Stacy McGaugh. “I’m not convinced that that’s the only way that can happen.” Without definitively knowing their origin story, McGaugh doesn’t think it’s possible to say anything about the nature of dark matter itself. That's the way we should approach this problem! 💯

Stacy McGaugh@dudedarkmatter.bsky.social

Story out in Quanta about the diffuse galaxies DF2, DF4, & DF9. It conveys the message that these objects are the nail in the coffin for MOND. Is it so? www.quantamagazine.org/triplet-of-g...

quantamagazine.orgTriplet of ‘Ghostly’ Galaxies Hints at What Dark Matter Is — and Isn’t | Quanta MagazineA collision may have left these galaxies without dark matter. That spells trouble for alternative gravity theories.

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