Gamma Ray Bursts (from Earth!)
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November 26, 2009

Gamma Ray Bursts (from Earth!)

Lightning

Scientists have discovered bursts of Gamma rays which occur about 3 million times per day (or about 35 times a second). Scientists detected long-lasting (about 1 minute) bursts of Gamma rays produced by electrons moving near the speed of light spiralling around the intense electrical fields produced by thunderstorms. The Gamma ray burst seen in the thunderstorms occurred about a minute before the lightning flash, meaning that perhaps the flash of Gamma rays could be used to indicate that a lightning strike is about to happen. 

Comments

What's even more peculiar is that they've observed the characteristic gamma ray signature of electron-positron annihilation in some thunderstorms. So apparently, some storms have electric fields potent enough to cause pair production. oO

After hearing about antimatter occuring in lightning strikes, this doesn't exactly come as a big surprise to me, but it is still VERY INTERESTING.

Great Post !!

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