The speculation that some form of life exists beyond our planet goes back to ancient and Rome, yet humans have still not made contact.There have been a vast range of theories, including the lonely proposal that , but one scientist has revealed a more likely scenario - E.T. civilizations were destroyed by (GRBs).GRBs are immensely energetic explosions that have been observed in distant galaxies, occurring when the core of a massive star runs out of nuclear fuel and collapses under its own weight, unleashing a massive 'super nova' of radiation.
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