GRAVITATIONAL WAVES HIT EARTH
Feb 27, 2020
2 minutes
Reported 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 signal, picked up by the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo interferometer, lasted only 14 milliseconds, and astronomers
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