🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsРусскийفارسی한국어中文日本語EntityQ864015· pop 17· linked from 180 articlesPenrose diagramtwo-dimensional diagram that captures the causal relations between different points in spacetimeConnectionscausal structureEntitySchwarzschild metricEntityCategoriesCoordinate charts in general relativityDiagramsLorentzian manifoldsMathematics of general relativityRoger Penrose