EntityQ5903346· pop 5· linked from 8 articleshorizonSign in to saveterm in general relativityConnectionsAlbert EinsteinPersonuniverseEntityBlack holeConceptgeneral relativityEntityspacetimeEntityevent horizonEntityWilhelm KillingEntityparticle horizonEntityHorizonEntityCauchy problemEntityCauchy horizonEntitycosmological horizonEntityabsolute horizonEntityapparent horizonEntityCategoriesGeneral relativity