Sphere (disambiguation)

From Wikipedia, the free encyclopedia

Most commonly, a sphere is a ball-shaped object;

• the celestial sphere of a geocentric model
• an armillary sphere, a physical model of the celestial sphere
• the planetary spheres of certain geocentric models, and the associated postulation of a music of the spheres
  • De sphaera mundi (The Sphere), a medieval astronomy book by Johannes de Sacrobosco
• the atmosphere (Celestial body atmosphere)

hence, other closed systems on a planetary scale (see Earth science)

• Earth's atmosphere
  • Troposphere
  • Stratosphere
  • Mesosphere
  • Thermosphere
  • Exosphere
• Biosphere
  • Anthroposphere
• Cryosphere (Sometimes included in the hydrosphere)
• Geosphere
  • Lithosphere
    • Pedosphere (Soil)
    • Crust
  • Mantle
    • Asthenosphere
    • Mesosphere (mantle)
  • Core
    • Inner core
    • Outer core
• Hydrosphere
• Sphere of influence (astrodynamics), a term used in astrodynamics

figuratively:

• Noosphere, the sphere of Human thought/creativity.
• Sphere of knowledge, a unified body or collection of knowledge
• Sphere of influence, a metaphorical region of political influences surrounding a country or a region
• Cultural region, such as:
  • Anglosphere
  • Indosphere
  • Sinosphere

as a proper name / in popular culture:

• The Sphere, a large metallic sculpture located between the twin towers of the former World Trade Center
• The Sphere (newspaper), a British weekly newspaper which ran between 1900 and 1964
• Sphere Books, a British paperback-publisher from the 1960s to the 1980s
• Sphere (novel), a 1987 book written by Michael Crichton
• Sphere (film), a 1998 film based on the 1987 novel, starring Dustin Hoffman, Sharon Stone and Samuel L. Jackson
• Spheres (album), 1993 album by death metal band Pestilence
• Spheres (Delerium album) and Spheres 2, 1994 albums by electronic music group Delerium
• Spheres (anime), a Korean anime
• Sphere (program), a cross-platform open-source computer program for making role-playing games
• SPHERES, Synchronized Position Hold, Engage, Reorient Experimental Satellites formation flight testbed developed by MIT's Space Systems Laboratory
• Sphere, the blog search engine
• Dresspheres in the game Final Fantasy X-2 are used to change character classes.