Research NewsAstrophysics

X-ray Flickers Reveal a Space Warp

Science  01 May 1998:
Vol. 280, Issue 5364, pp. 674-675
DOI: 10.1126/science.280.5364.674

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X-ray signals from a distant neutron star have offered the first strong proof of Einstein's prediction that a very dense body, such as a black hole or a neutron star, bends space so steeply that objects orbiting closer than a certain point would slide catastrophically inward. The findings, presented at a meeting of the American Physical Society in Columbus, Ohio, last week, also offer new clues to the workings of these x-ray beacons.