gravitational lenses

Mira otros diccionarios:

• Gravitational lens — Gravitational Lensing Formalism Strong lensing …   Wikipedia

• Gravitational microlensing — Gravitational Lensing Formalism Strong lensing …   Wikipedia

• Gravitational lensing formalism — In general relativity, a point mass deflects a light ray with impact parameter b by an angle hat{alpha} = frac{4GM}{c^2b}. A naïve application of Newtonian gravity can yield exactly half this value, where the light ray is assumed as a massed… …   Wikipedia

• Gravitational singularity — General relativity Introduction Mathematical formulation Resources Fundamental concepts …   Wikipedia

• Strong gravitational lensing — is a gravitational lensing effect that is strong enough to produce multiple images, arcs, or even Einstein rings. Generally, the strong lensing effect requires the projected lens mass density greater than the critical density Sigma {cr},. For… …   Wikipedia

• Weak gravitational lensing — While the presence of any mass bends the path of light passing near it, this effect rarely produces the giant arcs and multiple images associated with strong gravitational lensing. Most lines of sight in the universe are thoroughly in the weak… …   Wikipedia

• Einstein ring — Gravitational Lensing Formalism Strong lensing …   Wikipedia

• gravitation — gravitational, adj. gravitationally, adv. /grav i tay sheuhn/, n. 1. Physics. a. the force of attraction between any two masses. Cf. law of gravitation. b. an act or process caused by this force. 2. a sinking or falling …   Universalium

• Transformation optics — Electromagnetism Electricity · …   Wikipedia

• General relativity — For a generally accessible and less technical introduction to the topic, see Introduction to general relativity. General relativity Introduction Mathematical formulation Resources …   Wikipedia

• Fritz Zwicky — Born February 14, 1898 Varna, Principality of Bulgaria Died …   Wikipedia