Big Pic: A Bright Flash From The Sun
shaunacy
at 06:34 AM Oct 25 2013
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Science //
At 8:30 p.m. Eastern time yesterday, a solar flare peaked on the surface of the sun, emitting an intense burst of radiation. NASA's Solar Dynamics Observatory captured the M9.4-class event at a wavelength of 131 Angstroms in order to see the bright flash of heat, giving the image its teal hue.
M-class flares can cause some space weather effects on Earth, like disrupting radio signals. Anything more intense than an M9.9 flare becomes an X-class, the highest category. The sun is currently undergoing a solar maximum, a peak of activity that occurs about every 11 years, making solar flares like this more likely. Not so good for satellite communications, but great for desktop backgrounds.
[NASA]
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