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 [email protected] to c/[email protected]
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[โ€“] [email protected] 3 points 1 year ago (1 children)

There is no way for us to have any information whatsoever about an object until the light (ie, information) has reached us. For all intents and purposes, from our local reference frame, it hasn't happened until we observe.it.