Gravity Weak Nuclear Force Electromagnetic Force Electromagnetism Dark Matter Strong Interaction Accelerated Expansion Higgs Boson Fifth Force of Nature Symmetry Violations Gauge Theories Unification Natural Constants Coupling Constants Nature Constants Unified Theory Gravitational Force Central Forces Baryons Variable Constants Quantum Mechanics Fifth Force Dark Energy Fine Tuning Gravitational Attraction
Researchers validated the test by comparing galaxy speeds with the depths of gravitational wells shaped by massive structures.