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A solar flare bursts off the left limb of the sun in this image captured by NASA's Solar Dynamics Observatory

A solar flare bursts off the left limb of the sun in this image captured by NASA's Solar Dynamics Observatory at 07:41 EST (11:41 GMT) June 10, 2014, This is classified as an X2.2 flare, shown in a blend of two wavelengths of light: 171 and 131 angstroms, colorized in gold and red, respectively, according to a NASA news release. REUTERS/NASA/SDO/Goddard/Wiessinger/Handout via Reuters (OUTER SPACE - Tags: SCIENCE TECHNOLOGY) ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS

Huge solar storm may hit earth today, Friday the 13th

Yahoo India7 September 2012

If your mobile networks are affected today, Friday the 13th, blame it on solar flares. Three extremely powerful solar flares that the sun has emitted could send shockwaves through earth on Friday, scientists fear, news.com.au reports. The solar flares may disrupt the communication lines, causing blackouts. The three solar flares were all 'X-class' flares, which are almost 10,000 times as powerful as normal background flares from the sun.

Solar flares, according to Live Science, are 'powerful bursts of radiation that are unleashed from the sun and speed out into space. They can sometimes produce waves of plasma and charged particles, called coronal mass ejections (CMEs). When aimed directly at Earth, CMEs can trigger geomagnetic storms and knock out communications and power grids on Earth.'