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Betelgeuse the star

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cleanworkbench:
What,s going on with this star Betelgeuse  , went outside my door last evening and its disappeared , big bang or what ?.

donotdespisethesnake:
It would be awesome if it did, but quite unlikely.

We will detect neutrinos first before anything in visible light, so hopefully we would get a heads up. The initial explosion causes a "small" flash, the real brightness occurs for several days afterwards as the resulting gas cloud radiates.

edy:
Let's just hope it's ejection beam isn't pointed directly at us. :-)  Is there any way to figure out the rotation axis of that star, or any distant star for that matter? Star Wars Death Star planet-killer comes to mind.

donotdespisethesnake:
Wait and find out? :)

jaromir:
Most astronomers expects Betelgeuse to go supernovae in (astronomically) very very short time, perhaps 50 or 100 thousands of years.

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