faster-than-light travel
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Apparent Faster-Than-Light Motion Helps Solve Mystery Of Colliding Neutron Stars
Last year brought a monumental observation of the cosmos: the light and simultaneous gravitational waves from a pair of colliding neutron stars over 130 million light-years from Earth. But mysteries about this event remained—like why the radiation it emitted as x-rays and radio waves gradually brightened for half a year afterward. That mystery might now…