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Betelgeuse may have gone supernova


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#1 Genesee Ted

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Posted 13 February 2020 - 10:29 AM

https://slate.com/te...y-changing.html

Would be pretty special to witness

#2 Mynameisluka

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Posted 13 February 2020 - 11:06 AM

It could have happened 642 years ago, and the light just hasn't arrived yet. Or, it may not happen for the next 100k years. But, it would be awesome to see. Should be about as bright as the moon when it happens.
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#3 Genesee Ted

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Posted 13 February 2020 - 11:08 AM

Well, it’s been getting dimmer, so try think it may have exploded somewhere around 642 years ago. Which means we *could* see it.

#4 Vagus

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Posted 13 February 2020 - 11:08 AM

#### the stars
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#5 Mynameisluka

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Posted 13 February 2020 - 11:19 AM

Well, it’s been getting dimmer, so try think it may have exploded somewhere around 642 years ago. Which means we *could* see it.


It is a possibility, but there are also other possibilities. While this is the dimmest it has ever been recorded, it is a variable star that dims and brightens over time, frequently on cycles. One explanation is that this is a new, much longer cycle of dimming that just hasn't been observed before. Or, it could be a combination of 2 different cycles resulting in deeper dimming than typical. It could also be that the star has emitted some matter, and that matter is between us and the star, making sort of a dust cloud in front of it. Or, it could be about to explode.
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#6 zymot

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Posted 13 February 2020 - 11:36 AM

#### the stars

 

Can a star get cancer?


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#7 Vagus

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Posted 13 February 2020 - 11:54 AM

Can a star get cancer?

Iron is star cancer.


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#8 gina lollobrigida

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Posted 13 February 2020 - 01:04 PM

#### the stars


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#9 KSUwildcatFAN

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Posted 13 February 2020 - 01:09 PM

It probably thinks we care about its political beliefs
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#10 Stout_fan

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Posted 13 February 2020 - 01:48 PM

It's global warming. The star's perfectly fine!


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#11 StankDelicious

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Posted 13 February 2020 - 01:56 PM

The article I read said it would be visible even during the day. If that happens, I'm gonna take the night off, smoke some cigars, drinks some beers and enjoy the once in a lifetime light show.


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#12 KSUwildcatFAN

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Posted 13 February 2020 - 02:04 PM

The article I read said it would be visible even during the day. If that happens, I'm gonna take the night off, smoke some cigars, drinks some beers and enjoy the once in a lifetime light show.

How long will it last?
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#13 djinkc

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Posted 13 February 2020 - 02:09 PM

If we cut down on emissions we could still save it.


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#14 Zaphod_Beeblebrox

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Posted 13 February 2020 - 02:42 PM

How long will it last?


The last observed supernova lasted over a month. It is impossible to know before it happens.
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#15 KSUwildcatFAN

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Posted 13 February 2020 - 02:46 PM

The last observed supernova lasted over a month. It is impossible to know before it happens.

Oh wow, so like a month w/ 2 moons, that's pretty cool.
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#16 Gumbo Leviathan

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Posted 13 February 2020 - 02:54 PM

Oh for ####s sake it does this all the time.  It's on its last legs, sure, but that means anytime in the next 20k years it might go kerflooie.  It's not going to happen next week or even in our lifetimes.  And even if it does, we are likely to see a very nice planetary nebula form around it so you will always know where it was.


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#17 Vagus

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Posted 13 February 2020 - 03:14 PM

Oh for ####s sake 

Muh celestial naker. 


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#18 Zaphod_Beeblebrox

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Posted 13 February 2020 - 03:56 PM

Oh for ####s sake it does this all the time. It's on its last legs, sure, but that means anytime in the next 20k years it might go kerflooie. It's not going to happen next week or even in our lifetimes. And even if it does, we are likely to see a very nice planetary nebula form around it so you will always know where it was.



Shhhhhh don't ruin the moment.
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#19 Mynameisluka

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Posted 13 February 2020 - 04:46 PM

Oh for ####s sake it does this all the time.


FWIW, it has become significantly dimmer than ever recorded.
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#20 Vagus

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Posted 13 February 2020 - 04:58 PM

FWIW, it has become significantly dimmer than ever recorded.

Someone probably walked in front of the lens.  


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