27allen51 t1_j25n4np wrote on December 29, 2022 at 8:58 PM Reply to How likely is it that Betelgeuse will supernova? by tempejkl I don't get this. Astronomers say it is so far away , we won't see it for a long time. So how do you know it hasn't happened already? Permalink 1
27allen51 t1_j25n4np wrote
Reply to How likely is it that Betelgeuse will supernova? by tempejkl
I don't get this. Astronomers say it is so far away , we won't see it for a long time. So how do you know it hasn't happened already?