limit sphere
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limit# — limit n Limit, bound, confine, end, term are comparable when they mean an actual or imaginary line beyond which a thing does not or cannot extend. Limit is the most inclusive of these terms because it carries no necessary implication of number,… … New Dictionary of Synonyms
Sphère de Dyson — Pour les articles homonymes, voir Sphère (homonymie) et Dyson (homonymie). Schéma d’une coquille de Dyson d’une unité astronomique de rayon. Une sphère … Wikipédia en Français
Sphere sovereignty — In Neo Calvinism, sphere sovereignty (Dutch: souvereinitet in eigen kring ) is the concept that each sphere (or sector) of life has its own distinct responsibilities and authority or competence, and stands equal to other spheres of life. Sphere… … Wikipedia
Sphere packing — In mathematics, sphere packing problems are problems concerning arrangements of non overlapping identical spheres which fill a space. Usually the space involved is three dimensional Euclidean space. However, sphere packing problems can be… … Wikipedia
Hill sphere — A Hill sphere is, roughly, the volume around an astronomical body (such as a planet) where it dominates in attraction of satellites to that body, rather than to a larger body (such as a star) which it orbits. Thus, for a planet to retain a moon,… … Wikipedia
Chu-Harrington limit — The Chu Harrington limit or Chu limit sets a lower limit on the Q factor for a small radio antenna. The definition of a small antenna is one that can fit inside a sphere . For a small antenna the Q is proportional to the reciprocal of the volume… … Wikipedia
Riemann sphere — The Riemann sphere can be visualized as the complex number plane wrapped around a sphere (by some form of stereographic projection – details are given below). In mathematics, the Riemann sphere (or extended complex plane), named after the 19th… … Wikipedia
Central limit theorem — This figure demonstrates the central limit theorem. The sample means are generated using a random number generator, which draws numbers between 1 and 100 from a uniform probability distribution. It illustrates that increasing sample sizes result… … Wikipedia
Ewald's sphere — The Ewald sphere is a geometric construct used in electron, neutron, and X ray crystallography which neatly demonstrates the relationship between: :* the wavelength of the incident and diffracted x ray beams, :* the diffraction angle for a given… … Wikipedia
On the Sphere and Cylinder — is a work that was published by Archimedes in two volumes c. 225 BC.[1] It most notably details how to find the surface area of a sphere and the volume of the contained ball and the analogous values for a cylinder, and was the first to do so.[2]… … Wikipedia
Tolman–Oppenheimer–Volkoff limit — The Tolman–Oppenheimer–Volkoff limit (or TOV limit) is an upper bound to the mass of stars composed of neutron degenerate matter (i.e. neutron stars). The TOV limit is analogous to the Chandrasekhar limit for white dwarf stars. History The limit… … Wikipedia