2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221114The stable geodesics in Schwarzschild geometry can not approach the center closer than the radius of the photon sphere, 3/2 times the Schwarzschild radius. In other words, massive particles moving along geodesics that cross the photon sphere do not escape, they fall into the black hole.2 pages, 1 figureGeneral Relativity and Quantum Cosmologytext