Horizon (disambiguation)

The horizon is the line at which the sky and the Earth's surface appear to meet.

Horizon or horizon may also refer to:

Art, entertainment, and media








Television and web series

Other arts, entertaiment, and media

  • Horizontes (Horizons), 1913 painting by Francisco Antonio Cano Cardona

Companies and brands

Radio and television providers

Events and organizations




Computers and computer science

Geology, soil science and archeology

  • Horizon (archaeology), a distinctive sediment, artefact, style or other cultural trait that is found at archaeological sites across a large geographical area
  • Horizon (geology), a bedding plane or a thin bed of distinctive character within a stratigraphic sequence
  • Marker horizon, a distinctive stratigraphic unit, of the same age across several locations
  • Soil horizon, a specific and distinctive layer in a land area


  • Horizon (general relativity), that play a role in Einstein's theory of general relativity
  • Absolute horizon, a boundary in spacetime in general relativity inside of which events cannot affect an external observer
  • Apparent horizon, a surface defined in general relativity
  • Cauchy horizon, a surface found in the study of Cauchy problems
  • Celestial horizon, a great circle parallel to the horizon
  • Cosmological horizon, a limit of observability: the maximum distance from which particles can have travelled to an observer in the age of the universe
  • Event horizon, a boundary in spacetime beyond which events cannot affect the observer
  • JPL Horizons On-Line Ephemeris System, an interactive facility that computes the position of many solar system objects
  • Killing horizon, a null surface on which there is a Killing vector field
  • Radio horizon, the locus of points in telecommunication at which direct rays from an antenna are tangential to the surface of the Earth


Other uses

  • Fusion of horizons, understanding that results from the dynamic process of integrating the 'Other' and the familiar
  • Project Horizon, a study to determine the feasibility of the construction of a military base on the moon conducted in 1959

See also

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