Sphere (disambiguation)

Look up sphere in Wiktionary, the free dictionary.

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:

• 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

• Sunsphere

• 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 (American band), American jazz ensemble
• Sphere (Japanese band), a Japanese pop idol unit
• Sphere (Polish band), a death metal band from Poland

• Sphere (album), 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 Las Vegas
• The Sphere, a 1971 large metallic sculpture in New York City
• 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

• Sfera (disambiguation)
• Sphering (disambiguation)

This disambiguation page lists articles associated with the title Sphere.
If an internal link led you here, you may wish to change the link to point directly to the intended article.