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    Astronomers baffled as gravitational wave hits Earth

    Feb 20, 2020 2 minutes
    Words by Yasemin Saplakoglu

    A mysterious cosmic event might have ever so slightly stretched and squeezed our planet. On 14 January, astronomers detected a split-second burst of gravitational waves, distortions in space-time, but researchers don’t know where this burst came from.

    The gravitational-wave signal, picked up by the Laser Interferometer Gravitational-Wave

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