With evidence mounting against the standard model of cosmology, Modified Newtonian Dynamics, or MOND, is the strongest contender. But in a recent iai News article, Idranil Banik argued that new research into wide binary stars falsifies MOND. Here, Pavel Kroupa and Jan Pflamm-Altenburg argue that data around wide binary stars are beset by uncertainty, bringing into question what, if anything, can be determined from them at the present – and ask whether a single test, even if carried out to the highest confidence, is sufficient to falsify an otherwise successful theory. There is increasing evidence that Newton’s universal law of gravitation does not work for astronomical systems. The leading contender for a better theory that has made remarkable predictions and has been shown to naturally account for a large range of astronomical observations is Milgromian dynamics, or MOND. In a recent iai News article, Indranil Banik argues tha…
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