General relativity
type: Concept
narrower: Gravitational singularities

Wormholes
type: Concept
broader: Gravitational singularities

Ring singularities
type: Concept
broader: Gravitational singularities

Curvature singularities
type: Concept
broader: Gravitational singularities

Naked singularities
type: Concept
broader: Gravitational singularities

Black holes
type: Concept
related: Gravitational singularities

Conical singularities
type: Concept
broader: Gravitational singularities

Event horizons
type: Concept
broader: Gravitational singularities

Gravitational singularities
narrower: Event horizons
narrower: Naked singularities
narrower: Curvature singularities
narrower: Wormholes
narrower: Conical singularities
narrower: Ring singularities
alternative label: Singularity
alternative label: Space-time singularities
alternative label: Cosmic singularities
alternative label: Spacetime singularities
related: Black holes
type: Concept
broader: General relativity