# Sphere

Sphere, geometrical object that is the surface of a ball.

##### Sphere Within Sphere

5 months ago**Sphere Within Sphere** ... **Sphere** Within **Sphere** (Sfera con sfera) is a bronze sculpture by Italian sculptor Arnaldo Pomodoro. Versions of the sculpture (diameters vary) can be seen...

##### Spectro-Polarimetric High-Contrast Exoplanet Research

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

##### The Sphere

5 months ago**The Sphere** ... 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...

##### N-sphere

5 months ago**N-sphere** ... In mathematics, an n-**sphere** is a topological space that is homeomorphic to a standard n-**sphere**, which is the set of points in (n + 1)-dimensional Euclidean...

##### Sphere packing in a sphere

5 months ago**Sphere packing in a sphere** ... **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...

##### Armillary sphere

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

##### Dyson sphere

6 months ago**Dyson sphere** ... A Dyson **sphere** is a hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output. The concept is a...

##### Bloch sphere

5 months ago**Bloch sphere** ... 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)...

##### Riemann sphere

4 months ago**Riemann sphere** ... In mathematics, the Riemann **sphere**, named after Bernhard Riemann, is a model of the extended complex plane, the complex plane plus a point at infinity...

##### Greater East Asia Co-Prosperity Sphere

6 months ago**Greater East Asia Co-Prosperity Sphere** ... The Greater East Asia Co-Prosperity **Sphere** (Japanese: 大東亜共栄圏, Hepburn: Dai Tōa Kyōeiken), or the GEACPS, was an imperialist concept which was developed...