A sphere (from Greek σφαῖρα, sphaîra) is a surface analogous to the circle, a curve. In solid geometry, a sphere is the set of points that are all at the...

Sphere Within Sphere (Sfera con sfera) describes a series of spherical bronze sculptures by Italian sculptor Arnaldo Pomodoro. In 1966, Pomodoro was commissioned...

The Sphere (officially Große Kugelkaryatide N.Y., also known as Sphere at Plaza Fountain, WTC Sphere or Koenig Sphere) is a monumental cast bronze sculpture...

Sphere (also known as Sphere at the Venetian Resort) is a music and entertainment arena in Paradise, Nevada, United States, east of the Las Vegas Strip...

Sphere is a 1987 novel by Michael Crichton, his sixth novel under his own name and his sixteenth overall. It was adapted into the film Sphere in 1998...

sphere-like region or shell. Sphere may also refer to: Armillary sphere, a physical model of the celestial sphere Celestial sphere, the astronomical description...

In mathematics, an n-sphere or hypersphere is an ⁠ n {\displaystyle n} ⁠-dimensional generalization of the ⁠ 1 {\displaystyle 1} ⁠-dimensional circle and...

Sphere is a 1998 American science fiction psychological thriller film directed and produced by Barry Levinson, adapted by Kurt Wimmer, and starring Dustin...

A Dyson sphere is a hypothetical megastructure that encompasses a star and captures a large percentage of its power output. The concept is a thought experiment...

Spectro-Polarimetric High-contrast Exoplanet REsearch (VLT-SPHERE) is an adaptive optics system and coronagraphic facility at the Very Large Telescope...

In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth. All objects in...

groups and the same homology groups as the n-sphere, and so every homotopy sphere is necessarily a homology sphere. The topological generalized Poincaré conjecture...

giant geodesic spheres, which might be made to levitate by slightly heating the air inside above the ambient temperature. Geodesic spheres become stronger...

of points, a bounding sphere, enclosing sphere or enclosing ball for that set is a d {\displaystyle d} -dimensional solid sphere containing all of these...

simplicial (or combinatorial) d-sphere is a simplicial complex homeomorphic to the d-dimensional sphere. Some simplicial spheres arise as the boundaries of...

In the field of international relations, a sphere of influence (SOI) is a spatial region or concept division over which a state or organization has a level...

Sphere packing in a sphere is a three-dimensional packing problem with the objective of packing a given number of equal spheres inside a unit sphere. It...

The Music of the Spheres World Tour (2022–2025) by British rock band Coldplay had a widely documented environmental, cultural and economic impact, which...

experiment about a sphere with strange properties. Poincaré asks us to imagine a sphere of radius R. The temperature of the sphere decreases from its...

exotic sphere is a differentiable manifold M that is homeomorphic but not diffeomorphic to the standard Euclidean n-sphere. That is, M is a sphere from...

In stable homotopy theory, a branch of mathematics, the sphere spectrum S is the monoidal unit in the category of spectra. It is the suspension spectrum...

The celestial spheres, or celestial orbs, were the fundamental entities of the cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus...

In geometry, a sphere packing is an arrangement of non-overlapping spheres within a containing space. The spheres considered are usually all of identical...

armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (on the celestial sphere), consisting...

The Betz mystery sphere is a metal sphere with an approximate diameter of 8 inches (20 cm) weighing nearly 22 pounds (10 kg) uncovered in 1974 by a family...

In mathematics, a hypersphere or 3-sphere is a 4-dimensional analogue of a sphere, and is the 3-dimensional n-sphere. In 4-dimensional Euclidean space...

In mathematics, the Riemann sphere, named after Bernhard Riemann, is a model of the extended complex plane (also called the closed complex plane): the...

In quantum mechanics and computing, the Bloch sphere is a geometrical representation of the pure state space of a two-level quantum mechanical system (qubit)...

The Alexander horned sphere is a pathological object in topology discovered by J. W. Alexander (1924). It is a particular topological embedding of a two-dimensional...

The Greater East Asia Co-Prosperity Sphere (Japanese: 大東亜共栄圏, Hepburn: Dai Tōa Kyōeiken), also known as the GEACPS, was a pan-Asian union that the Empire...