The explosion observed was a bright Fast Blue Optical Transient (FBOT) - an extremely rare class of explosion that is much less common than other explosions, such as supernovas.
A potential explanation for how this explosion occurred is that the star itself may have been surrounded by a dense disk or it may have been a failed supernovaĪn explosion the size of our solar system has baffled scientists, as part of its shape - similar to that of an extremely flat disc - challenges everything we know about explosions in space. The explosion observed was an extremely rare Fast Blue Optical Transient (FBOT) - known colloquially amongst astronomers as “the cow” - only four others have ever been seen, and scientists don’t know how they occur, but this discovery has helped solve part of the puzzle. Explosions are almost always expected to be spherical, as the stars themselves are spherical, but this one is the flattest ever seen. Astronomers have observed an explosion 180 million light years away which challenges our current understanding of explosions in space, that appeared much flatter than ever thought possible. 
Credit: Phil Drury, University of SheffieldĪstronomers have observed an explosion 180 million light-years away that challenges our current understanding of cosmic explosions, exhibiting a significantly flatter appearance than previously thought possible.
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