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  1. 3 days ago · General relativity can be understood by examining its similarities with and departures from classical physics. The first step is the realization that classical mechanics and Newton's law of gravity admit a geometric description.

  2. May 2, 2024 · Gravity defines macroscopic behaviour, and so general relativity describes large-scale physical phenomena. General relativity follows from Einstein’s principle of equivalence: on a local scale it is impossible to distinguish between physical effects due to gravity and those due to acceleration.

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  4. May 10, 2024 · General Relativity makes specific predictions about how the light emitted from material in the inner-most regions around a black hole is distorted and gravitationally redshifted. Detailed observations of that light will provide stringent tests of strong gravity.

  5. May 3, 2024 · Whereas ordinary forms of energy — which includes the mass of matter — result in an attractive force, general relativity also predicts that some more-exotic forms of energy could produce...

    • Davide Castelvecchi
  6. 2 days ago · In 1915, Albert Einstein proposed general relativity, a fundamental theory in physics. It defines gravity as a geometric property of spacetime in which massive objects such as stars and planets warp the fabric of space and time, causing other objects to move in curved paths. Unlike Newtonian mechanics, which describes gravity as a force acting ...

  7. May 9, 2024 · General relativity, at its core, is a framework that relates two things that might not obviously be related: the amount, distribution, and types of energy —...

  8. 3 days ago · Discover how Einstein's theory of General Relativity reshaped our understanding of space, time, and gravity. Dive into the science that explains black holes, time dilation, and the curvature of...

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