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To those of you interested in the controversy over the wide binary stars test of MOND, with some papers finding MOND behavior and another excluding MOND at extremely high sigma, let me summarize in a🧵what the discussion among the teams seems to have settled on here at #MONDat40:
Context: You can test the the law of gravity in the low acceleration regime via wide binary stars. This is relevant for Modified Newtonian Dynamics (MOND), which should act at accelerations around and below a0≈1.2×10−10 m/s2, where gravity is stronger than expected from Newton.
Here at #MONDat40, we heard three conflicting WB study results:
Kyu-Hyun Chae and independently Xavier Hernandez find agreement with MOND: a deviation from Newtonian expectations for wide-enough binaries.
Indanil Banik et al. find no MOND-like behavior & report 16 sigma tension.
Kyu-Hyun Chae and independently Xavier Hernandez find agreement with MOND: a deviation from Newtonian expectations for wide-enough binaries.
Indanil Banik et al. find no MOND-like behavior & report 16 sigma tension.
After three days of #MONDat40 in the UK, I'm ready for some MONDy Python: Modified Newtonian Dynamics according to Monty Python memes.
Bringing up MOND at a cosmology conference.
When Skordis published his CMB fit.
