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flag Astronomers discover extreme cosmic explosions, powered by stars torn apart by black holes, outshining supernovae.

flag Astronomers have discovered extreme nuclear transients (ENTs), the most powerful cosmic explosions since the Big Bang. flag These ENTs occur when massive stars are torn apart by supermassive black holes, releasing energy 25 times greater than the most powerful supernova. flag One such event, Gaia18cdj, was detected by the Gaia satellite and offers new insights into black hole activity and the evolution of the universe. flag These rare phenomena are far brighter and last longer than normal tidal disruption events, providing a new way to study black holes in the early universe.

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