SDO image of the sun (Nasa)
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Sunspots' twist resulted in flare

A quintet of sunspots is pictured by Nasa's Solar Dynamics Observatory as it launches the largest solar flare seen since 2006.

The SDO satellite recorded the Sun's activity over a five-day period around the time of the so-called X-flare, the strongest type, that occurred at 0156 GMT on 15 February.

Footage courtesy of D Brown/Nasa/Solar Dynamics Observatory.

  • 20 Apr 2011
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