Mystery AtlasModified Newtonian Dynamics (MOND)
A minority alternative explanation proposing that no unseen matter exists at all, and that galaxy rotation curves instead reveal gravity itself departing from Newtonian and general-relativistic predictions at extremely low accelerations; accounts for many rotation curves without new particles but struggles to explain cluster-scale evidence such as the Bullet Cluster.
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Theories & Explanations
Modified Newtonian Dynamics (MOND) contradicts Dark Matter Particle Hypothesis.
Science & Technology
- Dark Mattermissing mass first inferred 1933
Modified Newtonian Dynamics (MOND) is an alternative explanation for Dark Matter — A minority position among physicists; explains many individual galaxy rotation curves well without positing new particles, but requires substantial extension to account for cluster-scale evidence like the Bullet Cluster, which most cosmologists consider decisive against it.