Sphere (disambiguation)

A sphere is a three-dimensional object shaped like a ball; it may also refer to a sphere-like region or shell.

Sphere may also refer to:

Astronomy

Armillary sphere, a physical model of the celestial sphere
Celestial sphere, the astronomical description of the sky
Celestial spheres or planetary spheres, refer to a geocentric model of the universe and the associated postulate of a "Musica Universalis" (Music of the Spheres)
Dyson sphere, a hypothetical megastructure that encompasses a star and captures a large percentage of its solar power output
Hill sphere, the spherical region around an astronomical body where the primary gravitational influence on an orbiting object is that body
Spectro-Polarimetric High-Contrast Exoplanet Research (SPHERE) is an adaptive optics system and coronagraphic facility at the Very Large Telescope (VLT)
Sphere of influence (astrodynamics), similar to the Hill sphere, but smaller, only about 60% of the radius
Sphere of influence (black hole), a region around a supermassive black hole
SPHERES (Synchronized Position Hold, Engage, Reorient Experimental Satellites), a formation flight testbed developed by MIT's Space Systems Laboratory
SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer), a proposed space telescope

Separate spheres, an ideological term referring to separation between a private sphere and a public sphere in some societies
Sphere of influence, a metaphorical region of influence surrounding a country, person or concept

n-sphere, the set of points at fixed distance from a central point in n+1 dimensional space
Spherical surface, the boundary of a sphere (also known simply as sphere in mathematics)
Spherical volume, the region inside a sphere (also known as a ball in mathematics)
Unit sphere, the set of points at a distance of 1 from a central point

Sphere (1998 film), a film based on Crichton's 1987 novel, starring Dustin Hoffman, Sharon Stone, and Samuel L. Jackson
Sphere (2013 film), an animated short film

Sphere (novel), a 1987 science-fiction novel by Michael Crichton
Spheres trilogy, three books by the philosopher Peter Sloterdijk
De sphaera mundi (The Sphere), a medieval astronomy book by Johannes de Sacrobosco
The Sphere (newspaper), a British weekly newspaper which ran between 1900 and 1964

Sphere (album), a 1997 album by the American jazz group Sphere
Sphere, a 2005 album by noise music artist Merzbow
"Sphere", a song by John Frusciante and Josh Klinghoffer from their album A Sphere in the Heart of Silence (2004)
Spheres (Delerium album)
"Spheres" (instrumental), a 2007 single by Mike Oldfield
Spheres (Pestilence album), 1993
Spheres, an album by Daniel Hope
Spheres 2, a 1994 album by Delerium

Sphere, a parameter in prescribing corrective lenses
Silver Sphere (born 1999), American singer-songwriter
Sphere, an extraterrestrial artificial intelligence that allies with humans from Independence Day: Resurgence
Spheres (TV series), a Korean animation
Sphere (organization), a project launched in 1997 to develop a set of minimum standards in core areas of humanitarian assistance
Sphere (website), a blog search engine
Sphere, a rumored internal development name for the PlayStation Move controller
Sphere 1, one of the earliest personal computers
Sphere Books, a British paperback-publisher from the 1960s to the 1980s and the 2000s to today
Sphere (venue), a sphere-shaped entertainment venue in Paradise, Nevada
The Sphere (social network), an online network for renting luxury properties
The Spheres, a fictional planetary system in Coldplay's album Music of the Spheres