On Tuesday, December 24, 2019 at 1:44:39 PM UTC-7, John Clark wrote: > > On Tue, Dec 24, 2019 at 3:20 PM Alan Grayson <[email protected] > <javascript:>> wrote: > >> > It may mean nothing, it probably means nothing, but ... in the last 4 >>> months Betelgeuse has decreased in brightness, it is now the dimmest it's >>> been in recorded history, and a very rapid dimming is exactly what you'd >>> expect to happen just before a red supergiant goes supernova. When it does >>> go supernova, which it certainly will very soon (astronomically >>> speaking), it will look like nothing ever seen before, brighter than >>> the full moon but with all the light concentrated at a single point. And >>> the TV preachers will have a field day. >>> >> >> *> How soon will it explodede * >> > > Sometime between 24 hours and a 100 thousand years from now, although the > recent dimming might push the oddsmakers slightly closer to favoring the > shorter end of that spectrum, > > *> and is it far enough away not to pose a threat to our planet? AG* >> > > It's far enough away to be safe but close enough to put on one hell of a > good show. >
642.5 light years. AG > > John K Clark > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/b67886f1-b761-42bc-a5dd-0bf061fe84bc%40googlegroups.com.
