Horizon (disambiguation)

Look up horizon in Wiktionary, the free dictionary.

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

Horizon or horizons may also refer to:

Physics

• 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

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

Geography

• Horizon, Saskatchewan, hamlet in Saskatchewan Canada
• Rosemont Horizon, the former name of Allstate Arena, a multipurpose arena in Rosemont, Illinois, United States

Schools

• École secondaire l'Horizon, a French public secondary school in Quebec
• Horizon High School (disambiguation)
• Horizon Science Academy, a group of charter schools which is owned by Concept Schools in Ohio

Companies and brands

• Horizon (camera), a swing-lens panoramic camera manufactured in Russia
• Horizons (Epcot), a former Epcot Center attraction at Walt Disney World
• Horizon Fitness, a fitness equipment subsidiary of Johnson Health Tech
• Horizon Fuel Cell Technologies, a corporation specializing in fuel cell technology
• Horizon Global, a corporation specializing in media-compression technology, peer to peer video telephony, and video on demand
• Horizon Nuclear Power, a British energy company
• Horizon Organic, an American company that produces dairy and egg products.
• Horizon Pipeline, a small natural gas pipeline that moves gas in northern Illinois
• Horizon Power, a corporation owned by the Government of Western Australia
• Planning horizon, the amount of time an organisation will look into the future when preparing a strategic plan

Transportation

• Horizon (railcar), an Amtrak passenger car used mostly in the Midwest
• Attitude indicator, or Artificial horizon, an instrument used in an aircraft to inform the pilot of the orientation of the airplane relative to the ground
• Chrysler Horizon, a car designed by Chrysler Europe
• Fisher Horizon, a kit aircraft
• Hawker Horizon, the original name of the Hawker 4000 business jet
• Horizon Air, a regional airline and subsidiary of the Alaska Air Group
• Horizon Airlines (Australia), an Australian airline based in Sydney
• Horizon-class frigate, a multi-national collaboration to produce a new generation of anti-air warfare frigates

Computers and computer science

• Horizon effect, in artificial intelligence: the computational limit beyond which conventional game-tree search algorithms make suboptimal decisions
• Horizons: Software Starter Pack, a 1982 software compilation for the ZX Spectrum
• NorthStar Horizon, an 8-bit computer system based on the ZiLOG Z80A microprocessor
• Split horizon route advertisement, one of the methods in computer networks used to prevent routing loops
• VMware Horizon View, a commercial desktop-virtualisation product released in 2014

Events and Organizations

• Horizon (festival), the annual techno cultural festival of Indira Gandhi Institute of Technology, Sarang
• Horizon League, a collegiate athletic conference in the midwestern USA
• Horizons Regional Council, the regional authority for the Manawatu-Wanganui region of New Zealand

Art

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

Books and magazines

• Horizon (novel), a 2009 fantasy novel by Lois McMaster Bujold
• Lost Horizon (1933), a novel by James Hilton

Periodicals

• Horizon (magazine), British magazine, 1940–1949, founded by Cyril Connolly, Stephen Spender and Peter Watson
• Horizon (Online magazine), research and innovation magazine published by the European Commission
• Horizon (U.S. magazine), 1958–1989, originally published by American Heritage
• Horizon Weekly, Armenian-Canadian newspaper publication
• Horizons (magazine), research magazine of the Swiss National Science Foundation and the Swiss Academies of Arts and Sciences
• Horizons: The Journal of the College Theology Society, a religious study journal
• The Horizon: A Journal of the Color Line, U.S. magazine, 1907–1919, edited by W.E.B. Du Bois

Film, TV and radio

• Horizon (film), a 1971 Hungarian film
• Horizon TV Asia
• Heart 103.3, or Horizon Radio (UK), a UK radio station
• Horizont (radio), or Horizon Radio, a state-owned Bulgarian Radio Station
• Horizon (UK TV series), a long-running British programme on BBC television showing popular science documentaries
• Horizon (Canadian TV series), a Canadian current affairs television series
• Horizon (KAET TV program), is a current events television program produced by Arizona-based KAET
• The Horizon (web series), a web series which premiered on YouTube; it is the most watched online series made in Australia and the most watched gay web series in the world.
• "Horizon" (Star Trek: Enterprise), a 2003 second season episode of Star Trek: Enterprise

Games

• Horizon Zero Dawn, a 2017 video game for the PlayStation 4
• Forza Horizon, a 2012 racing video game for the X-Box 360
  • Forza Horizon 2, first sequel to Forza Horizon
  • Forza Horizon 3, second sequel to Forza Horizon

Music

• Horizon (band), a German metal band
• Horizon Records, an American record label

Albums

• Horizon (Culture Beat album), 1991
• Horizon (Eddie Rabbitt album), 1980
• Horizon (Remioromen album), 2006
• Horizon (Sun Ra album), 1972
• Horizon (The Carpenters album), 1975
• Horizon (McCoy Tyner album), 1979
• Horizons (Kris Allen album), 2014
• Horizons (Anathema album)
• Horizons (Charles McPherson album), 1968
• Horizons (Parkway Drive album), 2007

Songs

• "Horizon", a 2008 single by D'espairsRay
• "Horizons" (song), a song by Genesis
• "Over the Horizon", ringtone for Samsung Galaxy smartphones

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

• "Over the Rainbow"
• Mirage