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18 hours ago · Einstein's theory of general relativity suggests that objects with mass cause the very fabric of space and time, united as a single four-dimensional entity called "spacetime," to warp. Gravity ...
5 days ago · Einstein's general theory of relativity predicted that so-called 'plunging regions' around black holes would accelerate matter into them at the speed of light. Now, X-ray observations of a remote ...
3 days ago · A new theory of quantum gravity, which attempts to unite quantum physics with Einstein's relativity, could help solve the puzzle of the universe's expansion, a theoretical paper suggests....
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13 hours ago · These collisions are considered to be among the most violent processes in our universe, and the gravitational waves produced by a black hole merger can travel billions of light-years through space before reaching Earth. Einstein predicted the existence of gravitational waves in 1916 with his theory of general relativity, but it would be another ...
2 days ago · The birth of relativity. To make it all work, Einstein realized there had to be some give-and-take. You can't just have length contraction — moving rulers shrink — on its own. You also need ...
4 days ago · Gravitational waves are ripples in spacetime caused by violent processes in the Universe. They were predicted by Einstein back in 1916 as part of his General Theory of Relativity. It is thought ...
2 days ago · Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of no escape is called the event horizon. A black hole has a great effect on the fate and circumstances of an object crossing it, but it has no locally detectable features according to general relativity.
