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Gravity

Gravity

Einstein’s general theory of relativity passes a supermassive test

25 Mar 2019
Black hole
Heart of the matter: Sagittarius A* as seen by the Chandra X-ray observatory. (Courtesy: NASA/CXC/MIT/F K Baganoff et al.)
A key aspect of Einstein’s general theory of relativity (GR) has been tested using the strongest g

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Sam Jarman is a science writer based in the UK
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