Eruptions from sunspot AR3664 have created a geomagnetic storm that is delivering jaw-dropping northern lights on Earth. The sunspot blasts X5.8- and X1-class solar flares. NASA’s Solar Dynamics Observatory captured the fireworks. Credit: Space.com | footage courtesy: NASA / SDO and the AIA, EVE, and HMI science teams / HelioViewer| edited by Steve Spaleta
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