🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsРусскийالعربية한국어中文日本語EntityQ2470767· pop 12· linked from 173 articlesCauchy horizonlight-like boundary of the domain of validity of a Cauchy problem in general relativityConnectionscausal structureEntityphysicsEntityCategoriesBlack holesGeneral relativityPhysical horizons