AR3664 has already become so gigantic that it can be seen from Earth even without special equipment, using only dark glasses to observe the solar eclipse.

Sunspot AR3664 continues to grow - now to 15 times the size of our planet and continues to grow - NASA is observing....

ℹ️ Powerful bursts of energy into space can reach Earth and cause widespread power outages, interfere with radio communications and navigation signals, disable satellites and cause an enhanced phenomenon of the northern lights.

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