Education Essay

Black hole
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For other uses, see Black hole (disambiguation).

Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitational lensing effect, which produces two enlarged but highly distorted views of the Cloud. Across the top, the Milky Way disk appears distorted into an arc.
General relativity |
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Introduction
Mathematical formulation
Resources |
Fundamental concepts[show]Special relativity
Equivalence principle
World line · Riemannian geometry |
Phenomena[hide]Kepler problem · Lenses · Waves
Frame-dragging · Geodetic effect
Event horizon · Singularity
Black hole |
Equations[show]Linearized gravity
Post-Newtonian formalism
Einstein field equations
Geodesic equation
Friedmann equations
ADM formalism
BSSN formalism
Hamilton–Jacobi–Einstein equation |
Advanced theories[show]Kaluza–Klein
Quantum gravity |
Solutions[show]Schwarzschild
Reissner–Nordstrom · Godel
Kerr · Kerr–Newman
Kasner · Taub-NUT · Milne · Robertson–Walker
pp-wave · van Stockum dust |
Scientists[show]Einstein · Lorentz · Hilbert · Poincare · Schwarzschild · Sitter · Reissner · Nordstrom · Weyl · Eddington · Friedman · Milne · Zwicky · Lemaitre · Godel · Wheeler · Robertson · Bardeen · Walker · Kerr · Chandrasekhar · Ehlers · Penrose · Hawking · Taylor · Hulse · Stockum · Taub · Newman · Yau · Thorne
others |
Spacetime[show]Spacetime
Minkowski spacetime
Spacetime diagrams
Spacetime in General relativity |
* v * t * e |
A black hole is a region of spacetime from which gravity prevents anything, including light, from escaping.[1] The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole there is a mathematically defined surface called an event horizon that marks the point of no return. It is called “black” because it absorbs all the light that hits the horizon, reflecting nothing, just like a perfect.

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