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The sun erupts with a powerful solar flare from a receding sunspot

An active sunspot on the receding sun from Earth unleashed a powerful parting shot as it disappeared from sight on Saturday (April 30).

Sunspot AR2994, short for Active Region 2994, fired off a massive solar flare that was recorded as an X1.1-class solar storm. (X-class solar flares are the most powerful explosions on the sun.) NASA’s Solar Dynamics Observatory captured stunning video of the solar flare in different wavelengths of light.