Mysterious X-ray signal may be from dark matter, NASA scientists suspect

06/26/2014 | International Business Times · New Scientist

A strange X-ray signal from about 240 million light-years away has been detected by NASA's Chandra X-ray Observatory and the European Space Agency's XMM Newton satellite. Scientists don't know what's responsible for the X-ray signal, but one possibility is sterile neutrino decay, which could indicate the presence of dark matter. "We know that the dark matter explanation is a long shot, but the pay off would be huge if we're right," said Esra Bulbul, a scientist with the Harvard-Smithsonian Center for Astrophysics whose team conducted the study.

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International Business Times · New Scientist

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