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7 comments

[–] ScorpioGlitch 5 points (+5|-0)

640 light years away

So... was 640 years ago. For all we know, it's already gone and is a black hole.

[–] xyzzy [OP] 5 points (+5|-0)

Yes, but we can probably see it supernova any minute now. Likely in the next 10000 years.