2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109866The possibility is discussed of superluminal motion of non-tachyonic (i.e. moving with the instantaneous speed v<c) bodies within general relativity. It is shown that in some occasions quantum field theory apparently prohibits such motion, but not - to all appearance - in the general case.Pedagogical review. In RussianGeneral Relativity and Quantum CosmologyAstrophysicsSpace Physicstext