General > General Technical Chat
Betelgeuse the star
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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