Scientists have discovered the most powerful blasts of energy in the known universe.

Dubbed extreme nuclear transients, or ENTs, the cosmic explosions are unprecedented in their intensity.

They happen when massive stars – much bigger than our Sun – go too close to a supermassive black hole and are torn to pieces.

The resulting collision throws out vast amounts of energy that travel right across the cosmos.

"We’ve observed stars getting ripped apart as tidal disruption events for over a decade, but these ENTs are different beasts, reaching brightnesses nearly ten times more than what we typically see," said Jason Hinkle, who led the study.

“Not only are ENTs far brighter than normal tidal disruption events, but they remain luminous for years, far surpassing the energy output of eve

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