toughest

Double pulsar data helps Einstein’s theory of gravity pass toughest test yet | Science

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A long-awaited, 16-year study of an orbiting pair of spinning neutron stars has yielded the most wide-ranging tests yet of Albert Einstein’s theory of gravity. Unsurprisingly, the general theory of relativity, as it’s called, passed all the tests—a sign of its soundness, but also a null result that leaves physicists looking for clues to develop … Read more

Einstein’s theory of general relativity passes one of its toughest tests yet

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General relativity has withstood perhaps its toughest challenge to date. The theory, which Albert Einstein published in 1916, revolutionized our understanding of physics and the cosmos. It explains gravity as a consequence of space-time’s flexibility: Massive objects warp space-time, creating depressions around which other bodies orbit. Scientists have put general relativity to the test repeatedly … Read more