Quote:
Originally Posted by Mr_Draco
The legitimate "Second Sun" theory is because of a red giant named Betelgeuse. It is a star located 640 light years away that is on the verge of going supernova. After it does go supernova, which won't happen in our life times, it will take 640 years for it to reach us.
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That makes much more sense to me. Technically of course, it COULD have gone supernova 640 years ago and maybe we'll end up seeing it in December, ya never know.