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Originally posted by John bull 1
A weapon ?
Originally posted by John bull 1
This is interesting. Sci-Fi fans try and find an answer to this one.The blast occured on the surface of a star so presumably the star still exists otherwise the story would be that the star exploded. So the blast must be directional. A weapon ?
Any ideas? Anyone ?
Astronomers say they have been stunned by the amount of energy released in a star explosion on the far side of our galaxy, 50,000 light-years away.
The flash of radiation on 27 December was so powerful that it bounced off the Moon and lit up the Earth's atmosphere.
The blast occurred on the surface of an exotic kind of star - a super-magnetic neutron star called SGR 1806-20.
If the explosion had been just 10,000 light-years away, Earth could have suffered a mass extinction, it is said.
news.bbc.co.uk...
Please visit the link provided for the complete story.
[edit on 18-2-2005 by John bull 1]
Originally posted by Chakotay
This phenomenon could explain the SETI silence. There could be immense dead zones around these types of stars.
[edit on 18-2-2005 by Chakotay]
Originally posted by mythatsabigprobe
Thanks. One more, how can we accurately tell what size it is?
Oops, another... in the article about the neutron star it mentioned gamma radiation may be higher than normal for up to a year. Any danger to us?
Originally posted by cmdrkeenkid
Originally posted by mythatsabigprobe
Thanks. One more, how can we accurately tell what size it is?
Well we can tell how far away it is by the object's parallax. We can also find its angular size. Then the tricky part of math is using the eqauion of [Angular size in degrees = (size * 57.29) / distance] or another variation to make the math easier.
Oops, another... in the article about the neutron star it mentioned gamma radiation may be higher than normal for up to a year. Any danger to us?
Probably more danger from using a cellphone, even if you're using a headset. (The headset really makes next to no difference in the amount of radiation going to your head. )
Originally posted by mythatsabigprobe
Do they have a way to monitor it, or calculate it?
Thanks for your help, used to love playing Commander Keen!
And in outer solar system light source is much farther and they show only because they reflect solar radiation.
Originally posted by cmdrkeenkid
Think of it this way... Comets give off next to nothing of thier own, save a trail of very sparse gasses.
Those quakes are caused by extremely strong magnetic field, when magnetic field lines go to knot they have enough power to crack surface. And in case of neutron star density of "atmosphere" is like steel plate, not even talking about "crust" under that.
Originally posted by frayed1
The article mentioned in the first post mentions a 'star quake' ...a rearrangment of it's structure.
The article also mentioned that it was more gamma rays that were detected rather than visible light.