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Can Our Sun Produce a Killer Flare?
(NASA) The short answer to this is “no”. The longer answer is a little more involved. Whilst a solar flare from out Sun, aimed directly at us, could cause secondary problems such as satellite damage and injury to unprotected astronauts and blackouts, the flare itself is not powerful enough to destroy Earth, certainly not in 2012. I dare say, in the far future when the Sun begins to run out of fuel and swell into a red giant, it might be a bad era for life on Earth, but we have a few billion years to wait for that to happen.
There could even be the possibility of several X-class flares being launched and by pure bad luck we may get hit by a series of CMEs and X-ray bursts, but none will be powerful to overcome our magnetosphere, ionosphere and thick atmosphere below. “Killer” solar flares have been observed on other stars. In 2006, NASA’s Swift observatory saw the largest stellar flare ever observed 135 light-years away. Estimated to have unleashed an energy of 50 million trillion atomic bombs, the II Pegasi flare will have wiped out most life on Earth if our Sun fired X-rays from a flare of that energy at us.
However, our Sun is not II Pegasi. II Pegasi is a violent red giant star with a binary partner in a very close orbit. It is believed the gravitational interaction with its binary partner and the fact II Pegasi is a red giant is the root cause behind this energetic flare event.
Andrew Hough
By Andrew Hough
9:00PM BST 02 Aug 2010
haha its funny how people just seem to get furious at the mentioning of elenin,,,even though no one even knows what it is yet.......disregarding what michio kaku and other astrophysicists have to say.....the astronomers say its nothing but the astrophysicists are like wtf........................and if anyone has been following nasa reports on it ,they have been wrong all along because they have changed their # like a thousand times....their trajectory is calculated ,its not even accurate....they should be able to see the license plate on the damn thing,,where are the good pics,,,none jjust crap!!!
Originally posted by avatarded1
haha its funny how people just seem to get furious at the mentioning of elenin,,,even though no one even knows what it is yet.......disregarding what michio kaku and other astrophysicists have to say.....the astronomers say its nothing but the astrophysicists are like wtf........................and if anyone has been following nasa reports on it ,they have been wrong all along because they have changed their # like a thousand times....their trajectory is calculated ,its not even accurate....they should be able to see the license plate on the damn thing,,where are the good pics,,,none jjust crap!!!
Originally posted by Phage
reply to post by Krystian
Did you notice the timestamp on the video? The CME occurred 11 days ago. It was on the far side of the Sun from Earth. It had no effect.