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Mysterious cosmic radio signal spotted unusually close to Earth

Mysterious cosmic radio signal spotted unusually close to Earth

作者:疏造  时间:2019-03-04 08:07:09  人气:

By Alice Klein A STRANGE flash of radio waves detected from space has been traced to a galaxy that lies relatively nearby. Fast radio bursts (FRBs) are blasts of radio waves that last for only a few milliseconds yet can contain as much energy as our sun puts out in decades. More than 50 have been spotted since they were first discovered in 2007, but we still don’t know what causes them. Most detected bursts have been from billions of light years away,