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Pictures Of Betelgeuse Blow Apart [Pic+]

Hits: 8640 | Rating: (2.7) | Category: Science | Added by: 5Cats
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Ani187
Female, 30-39, Midwest US
 4542 Posts
Monday, April 29, 2013 5:41:20 PM
SCIENCE!!!

5Cats
Male, 50-59, Canada
 24914 Posts
Monday, April 29, 2013 12:02:34 PM
@patchy: It'll still be there, just not nearly as bright.

It will be like Orion has nasty arthritis... poor fellow!

5Cats
Male, 50-59, Canada
 24914 Posts
Monday, April 29, 2013 12:00:59 PM
@Angilion: Yes, I'm far from "an expert" myself (as you may have suspected!).

The GRB (from a known source) was "backtracked" and seems to have been pointed at where the Earth was 400 million-odd years ago, killing off the trilobites... not entirely, just most of them. Could be coincidence of course! Not scheduled to happen again, ever, luckily!

The "supernova extinction" I read about a while ago. It's just a theory (of course!) but there seems to be a link in one of the "lesser extinction periods" and a thin layer of "supernova residue". Since there's been no supernovas close enough to (easily) explain that? They came up with 2 other theories. Multiple- and "Super-" supernovae...

Angilion
Male, 40-49, Europe
 11341 Posts
Monday, April 29, 2013 11:31:54 AM
Hmm...this in interesting. There is a hypothesis that multiple supernovae in a group about 130 LY from Earth at the time might have temporarily damaged the ozone layer enough to kill off some surface plankton, which might have caused a higher than average rate of extinctions because plankton is at the bottom of a lot of food chains. That would match what you thought, if both the hypotheses are correct.

So maybe the astronomers I've read are understating the risk, or maybe the astronomers behind the above hypothesis are wrong. I've read their paper, but I don't know enough to evaluate it. It's well over my head.

Angilion
Male, 40-49, Europe
 11341 Posts
Monday, April 29, 2013 11:12:30 AM
There's been lots of "mass extinctions" aside for the 4 or 5 that were HUGE eh?


Well...no. You used the term "one of the great extinctions" and there are 5 of them - the extinction level events. Although some people argue that we're in the 6th one right now, given the effect that humanity has had since the industrial revolution.

The Gamma one being a BIG extinction and the supernova one being a "small" extinction...


A supernova 200 lightyears away, if one happened, wouldn't cause anything much on Earth. It wouldn't kill anything, let alone cause widespread extinctions.

The last I looked, GRB was a hypothesis for the cause of one of the ELE, not a proven cause.

patchgrabber
Male, 30-39, Canada
 5708 Posts
Monday, April 29, 2013 10:15:30 AM
After it's gone, I wonder how Orion will draw his bow without his shoulder.

madduck
Female, 50-59, Europe
 5593 Posts
Monday, April 29, 2013 10:11:21 AM
As long as no poor beings are - or were suffering it's cool.

patchgrabber
Male, 30-39, Canada
 5708 Posts
Monday, April 29, 2013 6:42:08 AM
Technically it's supposed to run into a wall of space dust or something in 5-12 thousand years, so it might be even more interesting than a supernova, depending on what happens.

5Cats
Male, 50-59, Canada
 24914 Posts
Monday, April 29, 2013 6:03:34 AM
@Angillion: You are correct! There's been lots of "mass extinctions" aside for the 4 or 5 that were HUGE eh? I may be connecting the "Gamma Burst" one with a supernova one, but I thought they were two events. The Gamma one being a BIG extinction and the supernova one being a "small" extinction...

We are looking at what happened 640 years ago. As close to "live on TV" as we're going to get.

This "mass ejection" was predicted as part of it's "death by supernova". There may be others to come as well. It was HUGE by any measure and that's interesting!

Angilion
Male, 40-49, Europe
 11341 Posts
Monday, April 29, 2013 5:10:37 AM
I think Ferdyfred was referring to us as individuals, not humanity in general. There would be ~640 years between Betelgeuse going nova and any sign of it reaching here, so if it went now then it's almost certain that everyone alive today would be long dead before any sign of it showed up here.

Although it might have gone nova ~640 years ago and we'll see it next week. Probably not, but maybe.

auburnjunky
Male, 30-39, Southern US
 10061 Posts
Monday, April 29, 2013 1:20:22 AM
No we won't Ferd. It will be a "second moon" for a few years, then die out.

ferdyfred
Male, 40-49, Europe
 10633 Posts
Monday, April 29, 2013 12:47:54 AM
If it has gone super nova
we will all be dead and gone before
it shows owt here
Oh and Andrew
go sit back in your armchair of 'whats the point of living'

auburnjunky
Male, 30-39, Southern US
 10061 Posts
Sunday, April 28, 2013 10:59:10 PM
Betelgeuse, Betelgeuse, Betelgeuse.

OldOllie
Male, 60-69, Midwest US
 13902 Posts
Sunday, April 28, 2013 9:46:02 PM
Maybe there's a poor planet orbiting that star... and watching its temperatures slowly rise...

If there was an inhabited planet there, it's long since been vaporized.

hellavon
Male, 18-29, Midwest US
 112 Posts
Sunday, April 28, 2013 9:13:08 PM
am I trippin or if you stare at this long enough does it start moving?

Angilion
Male, 40-49, Europe
 11341 Posts
Sunday, April 28, 2013 9:08:44 PM
Yeah, that would be the minimum "Betelgeuse Block" required! If it blew? It might have a "lethal radius" of 500 light years! One of the "great extinctions" in Earth's history was a similar supernova only it was apx 200 light years away: BBQ'd our poor planet!


Which one?

I think you're a bit out on the danger range. The astronomers I've read put the dangerous distance at about 25 light years. Supernovae are apocalyptic events, but 25 light years is a lot of safety room.

Unless you're thinking of a gamma ray burst powered by a supernova...in which case 500 light years isn't far enough. 5000 light years could still be dangerous. GRBs are boggling destructive even by astronomy standards. But Betelgeuse can't produce a GRB, so no problem there.

Listypoos
Male, 30-39, Europe
 2578 Posts
Sunday, April 28, 2013 3:15:33 PM
"Betelgeuse is COOL!"

Relatively speaking, yeah... :D

Get a load of Andrew getting all pissy just because some people take an interest in a topic. :D

5Cats
Male, 50-59, Canada
 24914 Posts
Sunday, April 28, 2013 1:13:44 PM
@skytz1337 & @Listypoos: Yeah, either next year or 1 million years from now, approximately... give or take...

@madduck: Pretty sure Betelgeuse doesn't have any planets: it's one of the best studied stars out there! It's a true monster! Thousands of times bigger than our puny Sun, I don't think any planets could survive that gravity.

@carmium: If our Sun ejected that much "stuff"? It would wipe out the Earth, and Mars, and smack Jupiter around something awful! It's the size of Uranus' orbit...

@Nickel2: Yeah, that would be the minimum "Betelgeuse Block" required! If it blew? It might have a "lethal radius" of 500 light years! One of the "great extinctions" in Earth's history was a similar supernova only it was apx 200 light years away: BBQ'd our poor planet!

Betelgeuse is COOL!

Andrew155
Male, 18-29, Eastern US
 2564 Posts
Sunday, April 28, 2013 12:51:27 PM
I love all of the armchair astronomers here.

carmium
Female, 50-59, Canada
 6401 Posts
Sunday, April 28, 2013 12:25:12 PM
Maybe there's a poor planet orbiting that star... and watching its temperatures slowly rise, the CO2 rising in its atmosphere, the ice caps melting... Poor guys. 8-(

madduck
Female, 50-59, Europe
 5593 Posts
Sunday, April 28, 2013 12:10:07 PM
To watch a super nova would be great, but as Listypoos said- chances are slim-
Am I the only one slightly worried something might be getting hurt out there??
Yeah- ok, I know. I'll go to bed then.

Nickel2
Male, 50-59, Europe
 4499 Posts
Sunday, April 28, 2013 12:01:41 PM
Break out the factor 500 lotion!

Listypoos
Male, 30-39, Europe
 2578 Posts
Sunday, April 28, 2013 11:45:01 AM
It may have already blown apart....we just wouldn't know about it for nearly 650 years.

I'd love this star to go nova in my lifetime.....sadly the chances aren't that good, in astronomy terms 'just about to explode' could be anywhere in the hundreds of thousands of years range.

skytz1337
Male, 18-29, Europe
 690 Posts
Sunday, April 28, 2013 11:22:02 AM
yea...soon..like..200 years or something

5Cats
Male, 50-59, Canada
 24914 Posts
Sunday, April 28, 2013 11:02:44 AM
Link: Pictures Of Betelgeuse Blow Apart [Pic+] [Rate Link] - This HUGE star is blowing up only 640 light years away. Supernova soon...


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