this post was submitted on 16 Jun 2023
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[Arxiv Preprint] Betelgeuse to go supernova in in decades (not centuries) (arxiv.org)
submitted 1 year ago by OmnipotentEntity@beehaw.org to c/science@beehaw.org
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[–] CeruleanRuin@lemmy.one 1 points 1 year ago

We can only view it from where we are in spacetime , and thus all the date we have on it is from our own reference frame. Any predictions about its fate are based on OUR viewpoint, not that of a point many light years away.

There is literally no way for us to know if it has "already" gone supernova. That reality has not reached us yet, and is therefore nonsensical to talk about.