Which happens a fair bit. But we just detected a gamma ray burst that can only have been produced by a star 30 to 40 times the mass of the sun going supernova.
Don't worry, it's 2 billion light years away. And was still bright enough to saturate our detectors, because gamma ray bursts are ridiculously bright.
Now it's most likely a black hole...and has been for longer than our species has existed. Humbling, right?
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