Einstein's Relativity Theory Prevails: Gravitational Interactions Confirmed

Researchers have confirmed with unprecedented accuracy that the properties of mass, such as weight, inertia, and gravitation, are always equivalent, regardless of the specific composition of the mass. This finding reinforces the equivalence principle, a cornerstone of Einstein's theory of relativity, and addresses a critical point of divergence between classical and quantum physics. Using half a century of lunar laser ranging data, scientists have shown that passive and active gravitational mass are always equivalent, supporting the fundamental assumptions of physics and providing further evidence for Einstein's theory.