You've heard of how mighty supernovas are, or of the ungodly amounts of energy released by gamma ray bursts.

But astronomers have just discovered a type of cosmic blast that puts all those to shame. They're called "extreme nuclear transients" (ENTs) — and they're quite literally the most powerful explosion witnessed since the dawn of time.

What produces ENTs is appropriately catastrophic: a star, at least three times as massive as our Sun, being obliterated by a supermassive black hole.

"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 greater than what we typically see," Jason Hinkle, lead author of a new study published in the journal Science Advances, and a researcher at

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