A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.
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What a massive solar storm would do to Earth today
A truly extreme solar storm would not just paint the sky with auroras, it would test every layer of the modern world that ...
As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...
The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.
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