Einstein's General Theory Of Relativity - Kicking Cosmic Butt Since 1915

Two new studies made using NASA's Chandra X-ray Observatory have put Einstein's General Theory of Relativity to the test (again) and the results show it is still the best game in town. Each team used observations of galaxy clusters, the largest objects in the Universe bound together by gravity, and one result undercuts a rival gravity model to General Relativity, known as "f(R) gravity", while the other shows that Einstein's theory works over a vast range of times and distances across the cosmos. read more

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