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(Space.com)   Scientists still stuck on Betelgeuse antics a year after strange "Day O" episode   (space.com) divider line
    More: Interesting, Star, Hubble Space Telescope, bright red star Betelgeuse, Astronomy, Orion Nebula, Betelgeuse, Galaxy, Andrea Dupree  
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722 clicks; posted to STEM » on 05 Mar 2021 at 9:05 AM (5 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



20 Comments     (+0 »)
View Voting Results: Smartest and Funniest
 
2021-03-05 9:07:54 AM  
Daylight come and me wan' go home.
 
2021-03-05 9:55:47 AM  
Betelgeuse? Betelgeuse. Betelgeuse!
 
2021-03-05 10:12:38 AM  
I want for this thing to supernova so badly... I need to talk to the manager.
 
2021-03-05 10:29:33 AM  
It's a streetlight
 
2021-03-05 10:38:17 AM  

Destructor: I want for this thing to supernova so badly... I need to talk to the manager.


I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ea​r​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.
 
2021-03-05 11:01:04 AM  

dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.


It probably already happened and we are just waiting for the effects to reach us.
 
2021-03-05 11:11:49 AM  

Hospitaller: dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.

It probably already happened and we are just waiting for the effects to reach us.


*SMACKS FOREHEAD*

Gee, I totally forgot how the speed of light effects what we can observe!
 
2021-03-05 11:15:12 AM  

dittybopper: We'd probably be OK, but I'd prefer not to chance it, if possible. But I have to admit, having a few days where it is like we are in a double star system would be interesting.


Unfortunately, I don't have any pull with management... So I can hope all I want... And it won't make a difference. So, I guess I'll have to turn to the only thing that will work: Prayer.

Hospitaller: It probably already happened and we are just waiting for the effects to reach us.


Tease... :-)

Fact is, we probably have a few thousand or tens of thousands (or even hundreds of thousands) of years to wait. No one knows.

But a man can dream... A man can dream.
 
2021-03-05 12:19:51 PM  

dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.


Well, since it would be about 100,000 years AFTER the light show before any of the bad stuff gets here, I'm with Destructor.  Bring on the light show!
 
2021-03-05 12:26:41 PM  
i.imgur.comView Full Size
 
2021-03-05 3:01:26 PM  

RabidRythmDivas: dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.

Well, since it would be about 100,000 years AFTER the light show before any of the bad stuff gets here, I'm with Destructor.  Bring on the light show!

"Gamma rays are responsible for most of the adverse effects that a supernova can have on a living terrestrial planet."


gamma rays will arrive very nearly the exact same time as the lightshow
 
2021-03-05 3:03:52 PM  

New Farkin User Name: RabidRythmDivas: dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.

Well, since it would be about 100,000 years AFTER the light show before any of the bad stuff gets here, I'm with Destructor.  Bring on the light show!

"Gamma rays are responsible for most of the adverse effects that a supernova can have on a living terrestrial planet."

gamma rays will arrive very nearly the exact same time as the lightshow


Oh, nope, apparently Betelgeuse is too far away for the gamma ray effects to be significant. Odd that they included Betelgeuse on that page at all then
 
2021-03-05 3:37:14 PM  

New Farkin User Name: Oh, nope, apparently Betelgeuse is too far away for the gamma ray effects to be significant. Odd that they included Betelgeuse on that page at all then


It troubles me that we're not exactly sure how far away Betelgeuse is.

I've noted, with some dismay, that the guestimates have been shifting from like 300 to 600ly every couple of years or so. This is something we should know for sure. And our estimates are off by wide margins.
 
2021-03-05 3:43:56 PM  

RabidRythmDivas: dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.

Well, since it would be about 100,000 years AFTER the light show before any of the bad stuff gets here, I'm with Destructor.  Bring on the light show!


Except, you know, for the x-ray and gamma radiation...
 
2021-03-05 3:49:08 PM  

Destructor: New Farkin User Name: Oh, nope, apparently Betelgeuse is too far away for the gamma ray effects to be significant. Odd that they included Betelgeuse on that page at all then

It troubles me that we're not exactly sure how far away Betelgeuse is.

I've noted, with some dismay, that the guestimates have been shifting from like 300 to 600ly every couple of years or so. This is something we should know for sure. And our estimates are off by wide margins.


The problem is that it's too far away for a really good measurement via parallax, and it's not a standard luminosity like some variable stars, so it's hard to get a really accurate idea.

Now, if we were to send really long-lived spacecraft out away from Earth, on trajectories that take them out of the solar system, we *COULD* do better parallax measurements because we'd have a much longer baseline than 2 AU.
 
2021-03-05 3:52:14 PM  
It's been 5 hours and he hasn't shown up yet.  I'm doing Biggy Smalls next.
 
2021-03-05 3:54:24 PM  

dittybopper: Except, you know, for the x-ray and gamma radiation...


That's not going to make it through the atmosphere.
 
2021-03-05 4:41:31 PM  

New Farkin User Name: New Farkin User Name: RabidRythmDivas: dittybopper: Destructor: I want for this thing to supernova so badly... I need to talk to the manager.

I don't know.  It's a tad close at something like 550ly.

https://en.wikipedia.org/wiki/Near-Ear​th_supernova

We'd probably be OK, but I'd prefer not to chance it, if possible.  But I have to admit, having a few days where it is like we are in a double star system would be interesting.

Well, since it would be about 100,000 years AFTER the light show before any of the bad stuff gets here, I'm with Destructor.  Bring on the light show!

"Gamma rays are responsible for most of the adverse effects that a supernova can have on a living terrestrial planet."

gamma rays will arrive very nearly the exact same time as the lightshow

Oh, nope, apparently Betelgeuse is too far away for the gamma ray effects to be significant. Odd that they included Betelgeuse on that page at all then


Also, it would have to be pointed directly at where our location would be 500 million years after it shot it's load.
 
2021-03-05 9:00:53 PM  

Destructor: dittybopper: Except, you know, for the x-ray and gamma radiation...

That's not going to make it through the atmosphere.


Which is great if you happen to be at the bottom of the atmosphere.
 
2021-03-06 11:45:31 AM  

dittybopper: Destructor: dittybopper: Except, you know, for the x-ray and gamma radiation...

That's not going to make it through the atmosphere.

Which is great if you happen to be at the bottom of the atmosphere.


Lucky for us.
 
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