Dark Energy
The name given to the component or gravitational effect associated with the accelerating expansion of the universe.
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Gravitational Lensing
The deflection and magnification of light by curved spacetime around intervening mass distributions.
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General Relativity
Einstein's geometric theory of gravity, in which matter and energy shape spacetime and free objects follow its geometry.
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Black Hole Accretion Disks
Rotating, heated flows of matter that release energy while spiralling toward a black hole.
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Gravitational Waves
Ripples in spacetime produced by accelerating mass distributions and detected through their effect on distance.
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