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View Count: 169 |  Publish Date: April 07, 2014
'Graceful' solar flare erupts from surface of Sun – NASA vid

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Video NASAs Solar Dynamics Observatory has released a video of a graceful solar flare erupting out of the Suns surface on 2 April.
Youtube Video
The flare shows up on the Sun as sudden swirls of brightness, indicating the bursts of radiation in an M6.5 class eruption.
“The image shows the flare in a blend of two wavelengths of extreme ultraviolet light: 131 Angstroms and 171 Angstroms, colourised in yellow and red, respectively,” NASA explained.
M-class flares are 10 times less powerful than the most intense flares, labelled X-class, which could theoretically cause a lot of damage on Earth. While a flares harmful radiation cant get through our planets atmosphere to affect us on the ground, it could disturb the atmosphere enough to disrupt GPS and communications.
Its when solar flares come alongside coronal mass ejections that humanity really has to watch out. The two events dont have to happen together, but they often do. In a CME, fluctuations in the Suns magnetic fields cause a large portion of its surface to explode, shooting billions of tons of particles out into space in a huge magnetic shockwave. If the Earth was hit by one big enough, its own magnetic field could be unpredictably disrupted, frying electronics along with communications and navigational systems.
A solar flares strength is counted on a scale as well as by letter, so an M2 class eruption is twice as intense as an M1, an M3 is three times as intense and so on, making last weeks eruption a mid-level one. ®

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Time: 13:47  |  News Code: 396948  |  Site: The Register
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