Last week the sunspot, called AR3590, emitted three solar flares - fast eruptions of intense high-energy radiation.
Sunspots are cooler parts on the sun's surface caused by massive changes in our star's magnetic field.
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Last week the sunspot, called AR3590, emitted three solar flares - fast eruptions of intense high-energy radiation.
Sunspots are cooler parts on the sun's surface caused by massive changes in our star's magnetic field.