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UM-Bot

Is the star Betelgeuse about to go supernova?

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RabidMongoose
1 hour ago, UM-Bot said:

One of the brightest stars in the night sky is exhibiting signs that its explosive demise might not be far away.

https://www.unexplained-mysteries.com/news/333252/is-the-star-betelgeuse-about-to-go-supernova

The estimated distance in your link is at the high end of the range. Wiki has it at 700 light years but it may be as low as 500 light years away https://en.wikipedia.org/wiki/Betelgeuse

This will be the first time we have witnessed a supernova in our backyard (we can see the star at night, its in the Orion constellation) so we dont know if we are in any trouble yet. When it goes then it will shine as bright as the sun in the day. The problem is how much will that raise global temperatures?

A mere 30C rise and its over for most life on Earth. Is that why the Pope has to leave Rome during the End of Days? Will it be the true cause of the apocalypse? The Bible says for a short-time all life will end on Earth, is this why?

Edited by RabidMongoose
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Saru
15 minutes ago, RabidMongoose said:

The estimated distance in your link is at the high end of the rank. Wiki has it at 700 light years but it may be as low as 500 light years away https://en.wikipedia.org/wiki/Betelgeuse

Thanks - I've updated the article to say 700 light years, its certainly a better estimate than 1,300.

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Piney
Piney
6 minutes ago, ant0n said:

The two links I posted above pretty much said the same thing. 

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Tatetopa

What a relief.  I was afraid if I said Beetlejuice out loud three times, it would explode.

On the heavier side, in the meantime we will have to fix the world or screw it up by ourselves

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Piney
3 minutes ago, Tatetopa said:

 screw it up by ourselves

That's the ongoing trend. :yes:

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Skulduggery

From what I’ve read in the past it should not affect us much. But, it will be bright. 

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Skulduggery

It is a question of when. It could be next year. It could be hundreds of thousands. Who knows?

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RabidMongoose
10 minutes ago, Skulduggery said:

It is a question of when. It could be next year. It could be hundreds of thousands. Who knows?

Its most likely to be at some point over the next 1000 years, which means it might already have gone supernova but we wont know about it until the light reaches us.

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South Alabam

I'm curious what the highest magnification telescope has looked at this star. It might have already exploded if we use a higher powered telescope.

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Jaded1
15 minutes ago, South Alabam said:

I'm curious what the highest magnification telescope has looked at this star. It might have already exploded if we use a higher powered telescope.

That doesn't make any sense. The light from the star would still have to reach the telescope so we wouldn't know about it any sooner.

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Skulduggery
39 minutes ago, RabidMongoose said:

Its most likely to be at some point over the next 1000 years, which means it might already have gone supernova but we wont know about it until the light reaches us.

Of course.

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RabidMongoose
4 minutes ago, Skulduggery said:

Of course.

Betelgeuse has an estimated radius of 1400 times that of the sun assuming it is 600 light years away making it one of the largest stars in the known universe. Thats also why we can see it with the naked eye and its so unstable its no longer round as can be seen in the link https://astronomynow.com/2017/06/30/see-the-sharpest-ever-view-of-giant-betelgeuse/.

If its further like 700 or even a 1000 light years then thats a humongous supernova waiting to happen. Maybe a dinosaur extinction level event that is going to decimate the human race?

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third_eye

Merry Christmas! 

~

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Skulduggery

I have been up on the Betelgeuse knowledge since about 2011 or so. Most places I’ve looked on the internet—scientific resources—say we are clear. Although I do suspect there may be a kernel of truth in the sensationalism of it that has been going around for quite some time. There may be some type of effect. 

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DreadLordAvatar

If we do get to see it, then the explosion happened 700 years ago.

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Aardvark-DK

Darn....Ford Prefect looses his home planet...

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fred_mc

Why are they talking about a Dyson sphere? It would be really stupid aliens if they try to build a Dyson sphere around a dying giant star that is giving off huge deadly flares as a part of the death process.

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psyche101
On 12/25/2019 at 5:54 AM, Piney said:

Well that's disappointing. I was expecting a Tatooine situation. I was going to wait until it happens before I pass on. Don't think I'll bother waiting now.

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psyche101
11 minutes ago, fred_mc said:

Why are they talking about a Dyson sphere? It would be really stupid aliens if they try to build a Dyson sphere around a dying giant star that is giving off huge deadly flares as a part of the death process.

To be fair, the article does say that is an extremely unlikely option.

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Jon the frog

In astronomical term, ''about to go supernova'' mean it is probably in the next million of years...

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L.A.T.1961

Astronomers Detect a Burst of Gravitational Waves From The Direction of Betelgeuse.

https://www.sciencealert.com/astronomers-detected-weird-gravitational-waves-from-the-direction-of-betelgeuse

 

Betelgeuse continues to dim, diminishes to 1.506 magnitude.

https://phys.org/news/2020-01-betelgeuse-dim-diminishes-magnitude.html

http://www.astronomerstelegram.org/?read=13410

 

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Desertrat56

If it is 500 - 700 light years away it may already have gone supernova.  What we see happened 500 - 700 years ago.

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