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General Relativity

Theories

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Einstein Field Equations

A set of ten equations in General Relativity that describe the fundamental interaction of gravitation as a result of spacetime being curved by matter and energy.

Gravitational Waves

Ripples in spacetime caused by some of the most violent and energetic processes in the Universe.

Black Holes

A region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it.