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(Discover)   The nearest star to Earth that can go supernova is a binary with a white dwarf. Why so Sirius?   (blogs.discovermagazine.com) divider line 30
    More: Scary, nearest stars, neutron stars, binary systems, Earth, Doppler shift, white dwarfs, type stars, red giants  
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5539 clicks; posted to Geek » on 18 May 2012 at 3:47 PM (2 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-05-18 03:04:39 PM
Nothing a little red matter can't take care of...
 
2012-05-18 03:54:48 PM
Why scary? Pretty sure there's nothing near us that can/will go boom. Especially not before our sun goes all NOMNOMNOM on our asses anyways.
 
2012-05-18 03:56:57 PM
4.bp.blogspot.com

Does not approve of this article.
 
2012-05-18 03:57:19 PM
Nearest that can go supernova on its own, that is.

GRBs are the real threat as far as this sort of thing goes, anyway.
 
2012-05-18 03:59:19 PM
you think it's over but, the supernova don't stop
 
2012-05-18 04:23:00 PM
This one is moving away. Fine.

Which ones are coming toward us and could move into range???!!!
 
2012-05-18 04:28:43 PM
images.blahpers.com
 
2012-05-18 04:37:30 PM

Antimatter: Does not approve of this article.


Holy shiat, I think that image set the Internet record for most misplaced context.

/ Not sure if Sirius
 
TKM
2012-05-18 04:55:53 PM
Damn, there goes the gate.
 
2012-05-18 04:58:06 PM

RandomAxe: Nearest that can go supernova on its own, that is.

GRBs are the real threat as far as this sort of thing goes, anyway.



He did mention this one at the end of the post.


TheOther: This one is moving away. Fine.

Which ones are coming toward us and could move into range???!!!



Yup. "Leading the target"

There's so much shiat floating around out there in various states... I'm sure someday we'll have a database/catalog which has all the objects we know about and their various likely futures all tracked so we can simulate running things forward in time to see what will kill our planet someday.

Of course.... there's also a lot of shiat out there that we can't see. Rogue planets and such...
 
2012-05-18 05:00:56 PM
i5.photobucket.com

\Oblig
 
2012-05-18 05:45:54 PM
www.blogcdn.com

Been there, done that.
 
2012-05-18 06:07:13 PM
Will it be a... Champagne Supernova?
 
2012-05-18 06:08:39 PM
netweavr:

Why scary? Pretty sure there's nothing near us that can/will go boom. Especially not before our sun goes all NOMNOMNOM on our asses anyways.

Well, as has been mentioned by RandomAxe, there are things that can wipe out pretty big segments of the galaxy if you happen to be in the direction they pop off in.

It's hard to picture things events that are in the 10^x range, and even harder to differentiate that from things in the 10^(x+2) range.

/ not terribly worried about Sirius.
 
2012-05-18 06:10:29 PM
I really want to be around for a supernova that is visible from Earth. There's a huge difference between telling people what something is and actually looking outside during the night time and day time and seeing it. It will be a global event and everyone will know about it and know what it is. This is opposed to the last couple times there have been witnesses. No one knew what they were and there are only scattered details of those events.

Chances of it happening are small but it would be nice.
 
2012-05-18 06:17:28 PM
ActionJoe:

I really want to be around for a supernova that is visible from Earth. There's a huge difference between telling people what something is and actually looking outside during the night time and day time and seeing it. It will be a global event and everyone will know about it and know what it is. This is opposed to the last couple times there have been witnesses. No one knew what they were and there are only scattered details of those events.

Chances of it happening are small but it would be nice.


Well, you have... There's pretty much some sort of cosmic-scale cataclysm going on at all times..

You may not have seen it as such, but...

Some of them are close enough to Earth for us to see them, and I can understand wanting to see them too (despite what else might go along with bright visible light.)

I've been enjoying Venus in the western sky lately.
 
2012-05-18 06:21:45 PM
What about Uranus, is Uranus OK?
 
2012-05-18 06:24:32 PM

maxheck: netweavr:

Why scary? Pretty sure there's nothing near us that can/will go boom. Especially not before our sun goes all NOMNOMNOM on our asses anyways.

Well, as has been mentioned by RandomAxe, there are things that can wipe out pretty big segments of the galaxy if you happen to be in the direction they pop off in.

It's hard to picture things events that are in the 10^x range, and even harder to differentiate that from things in the 10^(x+2) range.

/ not terribly worried about Sirius.


Pfft.

You know what I'm worried about? Old age.

That f*cker is sneaking up on me faster than anything else.
 
2012-05-18 06:39:27 PM

blahpers: [images.blahpers.com image 300x400]


i86.photobucket.com
 
2012-05-18 06:47:58 PM
i49.tinypic.com
 
2012-05-18 06:50:24 PM

dennysgod: blahpers: [images.blahpers.com image 300x400]

[i86.photobucket.com image 300x400]


*yoink*
 
2012-05-18 06:55:10 PM
netweavr:

Pfft.

You know what I'm worried about? Old age.

That f*cker is sneaking up on me faster than anything else.


Verstadt. For all I know I'm closer to Old Age than you, and that's fine IMHO. That doesn't mean that I don't want to see others do nifty things, or that I wouldn't encourage it, or not have a reason to clink a beer stein when someone other than us does something that rocks in the frontier.
 
2012-05-18 06:57:36 PM

maxheck: netweavr:

Pfft.

You know what I'm worried about? Old age.

That f*cker is sneaking up on me faster than anything else.

Verstadt. For all I know I'm closer to Old Age than you, and that's fine IMHO. That doesn't mean that I don't want to see others do nifty things, or that I wouldn't encourage it, or not have a reason to clink a beer stein when someone other than us does something that rocks in the frontier.


Ain't biatchin' about them doing it. Biatchin' about the EVERYBODY PANIC reaction that always seems to occur.

Despite the article's intention.
 
2012-05-18 07:05:59 PM
netweavr:

maxheck: netweavr:

Pfft.

You know what I'm worried about? Old age.

That f*cker is sneaking up on me faster than anything else.

Verstadt. For all I know I'm closer to Old Age than you, and that's fine IMHO. That doesn't mean that I don't want to see others do nifty things, or that I wouldn't encourage it, or not have a reason to clink a beer stein when someone other than us does something that rocks in the frontier.

Ain't biatchin' about them doing it. Biatchin' about the EVERYBODY PANIC reaction that always seems to occur.

Despite the article's intention.


Wait... You're not enjoying this panic?
 
2012-05-18 07:52:00 PM

mongbiohazard: RandomAxe: Nearest that can go supernova on its own, that is.

GRBs are the real threat as far as this sort of thing goes, anyway.


He did mention this one at the end of the post.



Newer observations have calculated WR104's axis tilt at 30 degrees or so, so we are ok on that one, too, it sounds like.
 
2012-05-19 06:11:01 AM
came for "Yes I am sirius, and stop calling me shirley"

Also WTF does this say? I`m no good with these captcha things...
i49.tinypic.com
mainly the bit at the bottom...
 
2012-05-19 06:40:02 AM
dready zim

Also WTF does this say? I`m no good with these captcha things...
mainly the bit at the bottom...


That's ok, it a Re-Captcha. You only need the first one correct, the second one is a guess.
 
2012-05-19 08:24:33 AM

dready zim: came for "Yes I am sirius, and stop calling me shirley"

Also WTF does this say? I`m no good with these captcha things...
[i49.tinypic.com image 350x380]
mainly the bit at the bottom...


I had the boys in the lab check it out. Near as they can figure with all their science gadgets it says " Be sure to drink your Ovaltine". Which is kind of a huge let down.
 
2012-05-19 04:41:20 PM

chuggernaught: dready zim: came for "Yes I am sirius, and stop calling me shirley"

Also WTF does this say? I`m no good with these captcha things...
[i49.tinypic.com image 350x380]
mainly the bit at the bottom...

I had the boys in the lab check it out. Near as they can figure with all their science gadgets it says " Be sure to drink your Ovaltine". Which is kind of a huge let down.


A crummy commercial?
 
2012-05-20 11:42:09 PM

RandomAxe: Nearest that can go supernova on its own, that is.

GRBs are the real threat as far as this sort of thing goes, anyway.


So, two thoughts on that:

1. If I'm reading TFA and its links right, GRBs are supernovae - but yes, greater range with much narrower "spread" of the energy. Sort of like a flashbulb vs. a laser.

2. In most cases, most of us probably only need to worry about any of these that have already happened - since one popping off right now at 100 ly wouldn't have any impact here for at least 100 years (or even be known about with certainty).

/Yes, it's late and I'm waxing pedantic. Time to call it a night.
 
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