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4 gamma ray bursts so far today
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Anonymous Coward
User ID: 381736
3/19/2008 10:55 PM | | Re: 4 gamma ray bursts so far today | Quote |
What do all you space invaders make of the last JPG? Quoting: hey 395685
Its full of stars. |
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Ebidah
User ID: 361183
3/19/2008 10:55 PM | | Re: 4 gamma ray bursts so far today | Quote |
Just wondering, what happens when our Sun takes a hit from a gamma ray burst? Quoting: hey 395685
I think it would excite the surface by adding extra energy maybe? |
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Anonymous Coward
User ID: 395685
3/19/2008 11:03 PM | | Re: 4 gamma ray bursts so far today | Quote |
What do all you space invaders make of the last JPG?
Its full of stars. Quoting: Anonymous Coward 381736
Yes it is, which one is collapsing/going supernova? |
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Anonymous Coward
User ID: 395885
3/19/2008 11:29 PM | | Re: 4 gamma ray bursts so far today | Quote |
What do all you space invaders make of the last JPG? Quoting: hey 395685
awesome
and this is odd
not saying related but that is a flat line xray
[link to www.swpc.noaa.gov] |
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Geogal
User ID: 373387
3/20/2008 1:13 AM | | Re: 4 gamma ray bursts so far today | Quote |
History prior and on the date of the Sumatra Island EQ M9.1 which caused the tsunami 12/26/04
GRB 041226A 2004/12/26 20:34:19 Swift 05:18:11 73:20:56
GRB 041224A 2004/12/24 20:20:57 Swift 03:44:48 -06:39:22
GRB 041223A 2004/12/23 14:06:18 Swift 06:40:44 -37:03:58
GRB 041220A 2004/12/20 22:58:26 Swift 19:25:08 60:37:26
GRB 041219C 2004/12/20 20:30:33 Swift 22:55:52 -76:48:07
GRB 041219B 2004/12/20 07:37:08 Swift 11:10:42 -33:27:29
GRB 041219A 2004/12/19 01:42:55 INTEGRAL 00:24:26 62:49:57
GRB 041218A 2004/12/18 15:46:03 INTEGRAL 01:39:06 71:20:04
"Theories for the location of these events ranged from the outer regions of our own solar system to the edges of the known universe. The discovery that bursts were isotropic—coming from completely random directions—narrowed down these possibilities greatly, and by the mid 1990s only two theories were considered generally viable: GRBs originate from a very large, diffuse halo (or "corona") around our own galaxy, or that they originate from distant galaxies far beyond our local group.
The fact that GRBs are jetted also suggests that there are far more events occurring in the Universe than actually seen, even when factoring in the limited sensitivity of available detectors. Most jetted GRBs will "miss" the Earth and never be seen; only a small fraction happen to be pointed the right way to allow detection. Still, even with these considerations, the rate of GRBs is very small—about once per galaxy per 100,000 years.
The above arguments apply only to long-duration GRBs. Short GRBs, while also extragalactic, appear to come from a lower-redshift population and are less luminous than long GRBs. They appear to be generally less beamed[20] or possibly not beamed, intrinsically less energetic than their longer counterparts, and probably more frequent in the universe despite being observed rarely."
"The idea that a nearby gamma-ray burst could significantly affect the Earth's atmosphere and potentially cause severe damage to the biosphere was introduced in 1995 by physicist Stephen Thorsett, then at Princeton University."
[link to en.wikipedia.org]
Gamma rays affect living tissue not rock, magma and earth plate tectonics. To claim it does is equivalent to your being able to start a fire by farting on wood. It's unlikely the bursts will actually "hit" the earth as they are isotropic. I do have to consider the gravity wave theory if a close enough and large enough explosion resulted in a large gamma ray, but as far as I can tell there is no way to actually track a gravity particle wave.
None of the 5 today or the 1 on the 17 or the 2 on the 15 appeared to be considered a large event (supernova) such as we saw AFTER the 2004 tsunami. If an EQ event can be connected to the gravity particle theory, then a large EQ would have happened DAYS ago, not days from now.
how long does it take for the effects to hit earth?
there was a huge GRB three or four days before the 9.2 EQ that caused the Indonesia tsunami Quoting: Anonymous Coward 170917 |
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shyla
User ID: 360119
3/20/2008 1:44 AM | | Re: 4 gamma ray bursts so far today | Quote |
"Absolute power corrupts absolutely"
"The future belongs to those who believe in the beauty of their dreams." |
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Anonymous Coward
User ID: 383039
3/20/2008 1:47 AM | | Re: 4 gamma ray bursts so far today | Quote |
WHY WHY, why pin obama/governments finacial soap opera several times but not this?
C'MOOOOONNN |
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Nothing Is True
User ID: 394832
3/20/2008 2:13 AM
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Anonymous Coward
User ID: 129376
3/20/2008 2:41 AM | | Re: 4 gamma ray bursts so far today | Quote |
WHY WHY, why pin obama/governments finacial soap opera several times but not this? Quoting: Anonymous Coward 383039
Because this is not important. |
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Anonymous Coward
User ID: 383039
3/20/2008 2:45 AM | | Re: 4 gamma ray bursts so far today | Quote |
WHY WHY, why pin obama/governments finacial soap opera several times but not this?
Because this is not important. Quoting: Anonymous Coward 129376
then what is? |
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Anonymous Coward
User ID: 174668
3/20/2008 2:56 AM | | Re: 4 gamma ray bursts so far today | Quote |
....Still, even with these considerations, the rate of GRBs is very small—about once per galaxy per 100,000 years.
The above arguments apply only to long-duration GRBs. Short GRBs, while also extragalactic, appear to come from a lower-redshift population and are less luminous than long GRBs. Quoting: Geogal 373387
So this article from Wiki, claims Gamma Ray Bursts are extragalactic (not from the Milky Way) and only happen 1 per galaxy per 100,000 years.
Yet the Dec. 27th 2004 Gamma Ray Burst event was in OUR galaxy (50,000 light years away) and was the most powerful GRB ever recorded.
Yet they only happen ever 100,000 years in our galaxy?
-------------------------------
Wiki:
[link to en.wikipedia.org]
SGR 1806-20 is a magnetar, a particular type of neutron star. It has been identified as a soft gamma repeater. SGR 1806-20 is located about 14.5 kiloparsecs (50,000 light-years) from Earth on the far side of our Milky Way galaxy in the constellation of Sagittarius....
On December 27, 2004, the radiation from an explosion on the surface of SGR 1806-20 reached Earth.[1] In terms of gamma rays the burst was brighter than a full moon and had an absolute magnitude of around −291. It was the brightest event known to have been sighted on this planet from an origin outside our solar system. The gamma rays struck the ionosphere and created more ionization which briefly expanded the ionosphere. The magnetar released more energy in one-tenth of a second (1.3×1039 J) than our sun has released in 100,000 years (4×1026 W × 3.2×1012 s = 1.3×1039 J). Such a burst is thought to be the largest explosion observed by humans in the galaxy since the SN 1604 supernova observed by Johannes Kepler in 1604.
A similar blast within 3 parsecs (10 light years) of earth would destroy the ozone layer and would be similar to a 12 kt of TNT (50 TJ) nuclear blast at 7.5 km. The nearest known magnetar to earth is 1E 2259+586, 4 kiloparsecs (13,000 light years) away. |
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Anonymous Coward
User ID: 129376
3/20/2008 3:02 AM | | Re: 4 gamma ray bursts so far today | Quote |
WHY WHY, why pin obama/governments finacial soap opera several times but not this?
Because this is not important.
then what is? Quoting: Anonymous Coward 383039
Almost anything else. There's absolutely nothing you can do to prevent them, and essentially almost nothing you could do to mitigate their effects. If one occurred within a few thousand light years, everyone on Earth would die. |
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vet ikke
User ID: 383975
3/20/2008 3:38 AM
 | | Re: 4 gamma ray bursts so far today | Quote |
ettibump! 5 stars, PIIIIN! |
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Anonymous Coward
User ID: 349000
3/20/2008 4:39 AM | | Re: 4 gamma ray bursts so far today | Quote |
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hey
User ID: 395685
3/20/2008 5:45 AM | | Re: 4 gamma ray bursts so far today | Quote |
Good morning! Bumping for more bursts. I'll be working today and doubt I'll get a chance to peak at my computer much if at all until after 5:00...damn. Looks like a new burst was detected early this morning, Far Out! |
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PaaatRiot101
User ID: 396123
3/20/2008 6:28 AM | | Re: 4 gamma ray bursts so far today | Quote |
Tes bursts starting early today. |
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PaaatRiot101
User ID: 396123
3/20/2008 6:29 AM | | Re: 4 gamma ray bursts so far today | Quote |
oooops
I mean Yes
Not Tes |
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Anonymous Coward
User ID: 303859
3/20/2008 6:48 AM | | Re: 4 gamma ray bursts so far today | Quote |
it's pretty late, so i can't think very hard...but...when we see these GRBs, we're seeing something that actually took place however many light years ago...is the energy of the explosion traveling at light speed? i'm going to assume no, and therefore assume that the light reaches us before the energy of the explosion...so we have X amount of time from seeing the burst to when the effects, if any, reach us...correct? and if correct, what's the average amount of time from visible burst to impact?
sorry if none of that makes sense...tired |
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Anonymous Coward
User ID: 275504
3/20/2008 8:50 AM | |
Anonymous Coward
User ID: 129376
3/20/2008 12:51 PM | | Re: 4 gamma ray bursts so far today | Quote |
...and if correct, what's the average amount of time from visible burst to impact? Quoting: Anonymous Coward 303859
Billions of years. |
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antwan
User ID: 395493
3/20/2008 1:26 PM
 | | Re: 4 gamma ray bursts so far today | Quote |
The only gammaray burst i seeeee is when i take a piss
i wish there was a gammaray burst on GLP :) |
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Anonymous Coward
User ID: 18328
3/20/2008 1:33 PM | | Re: 4 gamma ray bursts so far today | Quote |
Well, today my ears are ringing and I have a very rare headache.
No big quakes yet though. |
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Geogal
User ID: 373387
3/20/2008 1:39 PM | | Re: 4 gamma ray bursts so far today | Quote |
Biggest in the last 24 hours was a 6.0 and a 5.4 in the eastern Indonesian area, which is the southwestern part of the Pacific.
They say that ears ringing and headache are likely high blood pressure, or any of a dozen different physical ailments. I've had ear ringing almost all my life. No High BP or any other problems the Dr can find. Always have been considered to have excellent hearing and sight. Who knows... maybe I'll research ear ringing and debunk that in connection to earthquakes next...
Well, today my ears are ringing and I have a very rare headache.
No big quakes yet though. Quoting: Anonymous Coward 18328 |
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Mickeyblue
User ID: 330969
3/20/2008 1:57 PM | | Re: 4 gamma ray bursts so far today | Quote |
Yes they are really rolling by us and some have wondered if it is the result of a planet or other celestial body affecting us and while this is happening the sun has now crossed the equator heading northward and the moon is nearly equidistant on the other side of the equator heading southward. And little old us sitting midway through the Milky Way. I agree with the poster about the p[otential for earthquakes this weekend and we will be having very high tides to boot Friday. Also the moon is coming full. |
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Anonymous Coward
User ID: 340003
3/20/2008 2:01 PM | | Re: 4 gamma ray bursts so far today | Quote |
...and if correct, what's the average amount of time from visible burst to impact?
Billions of years. Quoting: Anonymous Coward 129376
That is not exactly true because the grb travels at the speed of light so when we can see it then we are getting impact. |
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Anonymous Coward
User ID: 289264
3/20/2008 2:11 PM | | Re: 4 gamma ray bursts so far today | Quote |
would a GRB wipe out the atmosphere? that would be weird because it's hard to imagine a sunny day with a black sky. |
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Anonymous Coward
User ID: 129376
3/20/2008 2:13 PM | | Re: 4 gamma ray bursts so far today | Quote |
would a GRB wipe out the atmosphere? that would be weird because it's hard to imagine a sunny day with a black sky. Quoting: Anonymous Coward 289264
You wouldn't be there to see it. |
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Anonymous Coward
User ID: 129376
3/20/2008 2:21 PM | | Re: 4 gamma ray bursts so far today | Quote |
...and if correct, what's the average amount of time from visible burst to impact?
Billions of years.
That is not exactly true because the grb travels at the speed of light so when we can see it then we are getting impact. Quoting: Anonymous Coward 340003
Yes, I agree with you. The radiation from a GRB is going to be the impact.
I was giving a simplistic answer to 303859's question. The point being that for a GRB from some remote galaxy, there would be billions of years between the detection of radiation (traveling at the speed of light), and the detection of any matter (traveling at a tiny fraction of the speed of light). |
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Anonymous Coward
User ID: 367753
3/20/2008 2:22 PM | | Re: 4 gamma ray bursts so far today | Quote |
...and if correct, what's the average amount of time from visible burst to impact?
Billions of years.
That is not exactly true because the grb travels at the speed of light so when we can see it then we are getting impact. Quoting: Anonymous Coward 340003
This is the post of the month!!! LOL ... (has been submitted to Stumble!) :-) |
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Doominator
User ID: 162364
3/20/2008 7:36 PM | | Re: 4 gamma ray bursts so far today | Quote |
A huge EQ just hit China/Tibet region. LaViolette right again. |
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