Solar activity intensifies, poses threat to Earth.
TL;DR Summary
A reversed-polarity sunspot, AR3296, exploded on the Sun, producing an M1.5-class solar flare that caused a shortwave radio blackout over Western USA and the Pacific Ocean. The blackout occurred due to extreme ultraviolet radiation from the flare ionizing the top of Earth's atmosphere. NASA's Solar Dynamics Observatory uses three crucial instruments to observe the Sun and collect data from various solar activities.
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