collapse radius

См. также в других словарях:

• Schwarzschild radius — The Schwarzschild radius (sometimes historically referred to as the gravitational radius) is a characteristic radius associated with every mass. It is the radius for a given mass where, if that mass could be compressed to fit within that radius,… …   Wikipedia

• Schwarzschild radius — Ger. /shvahrddts shilt /; Eng. /shwawrts chuyld , shild/, Astron. the radius at which a gravitationally collapsing celestial body becomes a black hole. [1955 60; named after Karl Schwarzchild (1873 1916), German astronomer] * * * or gravitational …   Universalium

• Gravitational collapse — in astronomy is the inward fall of a massive body under the influence of the force of gravity. It occurs when all other forces fail to supply a sufficiently high pressure to counterbalance gravity and keep the massive body in hydrostatic… …   Wikipedia

• Cation-anion radius ratio — Critical Radius Ratio In condensed matter physics the cation anion radius ratio is the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation anion compound. This is simply given by rC / rA The allowed size of the… …   Wikipedia

• gravitational radius — Astron. See Schwarzschild radius. * * * ▪ astrophysics also called  Schwarzschild radius        the radius below which the gravitational attraction between the particles of a body must cause it to undergo irreversible gravitational collapse. This …   Universalium

• schwarzschild radius — ˈshwȯrtˌshild , ˈs(h)wȯrtsˌchīld ; ˈshvärtˌshilt noun Usage: usually capitalized S Etymology: after Karl Schwarzschild died 1916 German astronomer : the radius of the spherical boundary within which a given mass (as of a star) must collapse to… …   Useful english dictionary

• Schwarz|schild radius — «SHVAHRTS shihlt, SHWRTS shihld», the size at which the gravitational forces of a collapsing body in space become so strong that they prevent the escape of any matter or radiation: »Eventually an object whose collapse continues reaches a limiting …   Useful english dictionary

• Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• Neutron star — redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… …   Wikipedia

• White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …   Wikipedia