Betelgeuse dimming enigma

The non amateur stuff. Hawking, black holes, that sort of thing

Moderators: joe, Brian, Guy Fennimore

Post Reply
brian livesey
Posts: 5836
Joined: Mon Jan 09, 2006 11:05 am
Location: Lancashire
Contact:

Betelgeuse dimming enigma

Post by brian livesey »

Astrophysicists have concluded that the temporary dimming of the celebrated red supergiant was not, as rumoured, a sign of imminent core collapse, followed by a supernova explosion, nor as was theorised by an obscuring dust cloud. Research published in the Astrophysical Journal shows that the dimming was probably caused by a giant star spot that caused a 40 per cent dimming, making the star 10 per cent cooler. It's reckoned that it could be a million years for Betelgeuse to go supernova, which gives us plenty of time to appreciate this beautiful star.
Last edited by brian livesey on Wed Mar 31, 2021 12:38 pm, edited 1 time in total.
brian
Eva Braun
Posts: 60
Joined: Mon Aug 31, 2020 1:27 pm
Contact:

Re: Betelgeuse dimming enigma

Post by Eva Braun »

When Betelgeuse turns intosupernova, it will be the third brightest object in the sky after the Sun and the Full Moon. According to some estimates, it will be even brighter than our satellite. This brightness will last for months, and it will cast shadows on the Earth even at night.
brian livesey
Posts: 5836
Joined: Mon Jan 09, 2006 11:05 am
Location: Lancashire
Contact:

Re: Betelgeuse dimming enigma

Post by brian livesey »

I’ll see you Eva in a million years from now. :wink:
brian
Post Reply