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The Guardian - UK
The Guardian - UK
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Rhiannon Neads

The biggest ever space explosion has occurred – what do you mean you don’t care?

The largest cosmic explosion ever witnessed. The explosion, known as AT2021lwx, is more than ten times brighter than any known supernova.
Astronomers have uncovered the largest cosmic explosion ever witnessed. The explosion is more than ten times brighter than any known supernova. Photograph: John A Paice/PA

Something pretty huge happened in space recently. Well, that’s not strictly true – to be more accurate, something truly gargantuan happened in space approximately 8 billion years ago, that we are only just finding out about now. Last Friday, scientists revealed the largest cosmic explosion ever witnessed: like a supernova, but more than 10 times brighter and more powerful than any other seen before. And its cause? A giant cloud of gas being sucked into a supermassive black hole.

If you want people to be excited about something, it’s important to come up with a catchy name. So, taking a leaf out of Elon Musk’s book of baby names, scientists called it AT2021lwx. But I’m gonna call her Sue. Sue Pernova. (You’re welcome.)

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