Betelgeuse is going to explode … someday. Betelgeuse may lie as close as 430 light-years from Earth (although some estimates place it farther away; determining distances to red supergiant stars such as Betelgeuse is a vexing problem in astronomy). Betelgeuse is far away, yet it’s one of the brightest stars in Earth’s sky because it’s intrinsically very brilliant, some 100,000 times brighter than our own sun.

Such brilliance comes at a price. Betelgeuse’s enormous energy requires that its fuel be expended quickly, which hastens the end of its life. Someday “soon” the star will run out of fuel, collapse under its own weight, and then rebound in a spectacular supernova explosion. When this happens, Betelgeuse will brighten enormously for a few weeks or months, perhaps becoming as bright as the full moon, and be visible in broad daylight.
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Night to Day/Dark to Light (2023) if I remember correctly one of VKs tweets.

I think it already exploded but just hasn't reached us yet!

Very possible. Exciting years ahead. I know many might not like it, but this can be the "Sky event".