Sphere (disambiguation)
A sphere is an object shaped like a ball and can also be used to refer to a sphere-like region or shell.
Sphere may also refer to:
In mathematics
- Ball (mathematics), the volume inside a sphere
- n-sphere, the set of points a fixed distance from a central point in n+1 dimensional space
In sociology
- Public sphere, an area where individuals can discuss social problems
In astronomy
In Earth science/planetary science
In stellar physics
- The layers of a star, in particular of the Sun
In geology
A type of spherical stone (Stone balls):
- Artificial stone spheres (Petrospheres)
- Natural stone spheres
Figurative/metaphorical
Popular culture
- De sphaera mundi (The Sphere), a medieval astronomy book by Johannes de Sacrobosco
- The Sphere, a 1971 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 (TV series), a Korean animation
- Sphere (program), a cross-platform open-source computer program for making role-playing games
- SPHERE, an instrumentation project at the Very Large Telescope (VLT) to directly image extrasolar planets
- SPHERES, Synchronized Position Hold, Engage, Reorient Experimental Satellites formation flight testbed developed by MIT's Space Systems Laboratory
- Sphere (website), the blog search engine
- Dresspheres in the game Final Fantasy X-2 are used to change character classes
- Sphere, a rumored internal development name for the PlayStation Move controller
Music