The sun is about to get more active than it has for a decade — and it could lead to power outages, grounded flights, and stunning auroras

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 Business Insider21hThe sun is about to get more active than it has for a decade — and it could lead to power outages, grounded flights, and stunning auroras

The sun is entering a period of peak activity that will last several years, an expert said. This means the sun will produce ...