Astronomers said on Friday they have identified the 'largest' cosmic explosion ever observed, a fireball 100 times the size of our Solar System that suddenly began blazing in the distant universe more than three years ago.
Astronomers said on Friday they have identified the"largest" cosmic explosion ever observed, a fireball 100 times the size of our Solar System that suddenly began blazing in the distant universe more than three years ago.
The explosion, called AT2021lwx, is not the brightest flash ever observed in the universe. That record is still held by a gamma-ray burst in October that was nicknamed BOAT – for Brightest Of All Time., said that AT2021lwx was considered the"largest" explosion because it had released far more energy over the last three years than was produced by BOAT's brief flash.The Zwicky Transient Facility in California first spotted AT2021lwx during an automated sweep of the sky in 2020.
That is much farther away than most other new flashes of light in the sky – which means the explosion behind it must be far greater.Astronomers have looked into several possible explanations. Another possibility is what is called a tidal disruption event, when a star is torn apart as it is sucked into a supermassive
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